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MRSA skin infections often appear as wounds or boils that are red, swollen, painful, or that have pus or other drainage. Yes is the answer to the question "do dogs get pimples." There are many possible causes for dog skin pimples. The three main types of allergy that affect dog skin are flea allergy, atopic dermatitis (allergy to environmental allergens, pollen, mold, dust, mites) and allergies to dog food.
Dog Food Allergy: Skin reaction to one of the 40 ingredients in the typical dog food can cause dog skin pimples.
Parasites (demodicosis): an increase in mites that are burrowed into the skin and dog hair follicles.
Histiocytomas are benign skin lesions or tumors (not cancer) that are more common in dogs under 3 years of age. A veterinarian starts an examination by looking for the most common cause of dog skin pimples, which is dog flea allergy. Other causes such as ringworm require a 2 to 3 week test, so in the interim a Vet might recommend a parasiticide such as Revolution.
If all tests come back negative then additional testing in needed including a biopsy of one of the dog skin pimples. In the case of puppy skin pimples (see third page), conditions can be caused by puppy pyoderma (mild skin infection), puppy warts (virus), canine acne, demodex mites and puppy strangles. Scaly and Black Dog Skin Bumps Not rated yetOur dog is a 6yr old cocker spanial and just in the last 6 months he started to get these bumps all over his body. The Dog Health Guide is not intended to replace the advice of a Veterinarian or other Health Professional. In the United States, most young, sexually active patients who have genital, anal, or perianal ulcers have either genital herpes or syphilis.
Paronychia infection is caused due to nail injury due to accidents, biting off the tip of the nails and bacterial infection.
People who often have wet hands doing lot of washing and people who are diabetic are more prone to infection than others.
Some of the common symptoms of paronychia are redness in nail, warmth or tenderness, swelling and pain.
Your doctor can easily identify the disease by simply looking at the skin around the nails. Simple home remedy of soaking your infected fingers in warm water will provide great relief.
You can visit the clinic and consult your doctor for getting proper antibiotics like Dycill, cloxacillin, trimethoprim or cephalexin. You need to take the course of antibiotics in case of fungal infection or bacterial infection.
Neonatal conjunctivitis, typically caused by exposure to bacteria during birth, is an infection or inflammation of the clear outer membrane of the eye. Conjunctivitis in babies can cause a variety of symptoms, which may vary depending on the underlying cause of the problem. Reddish, bloodshot eyes are the primary symptom of conjunctivitis in babies, and is common to all forms of the condition. Typically, conjunctivitis in babies is the result of an infection, either bacterial or viral. Allergic conjunctivitis in babies is relatively rare, and may present slightly differently from cases caused by infection. Can a two week old infant have conjunctivitis? My son is two weeks old and this morning I noticed that he has some crusty discharge near his right eye and his top eyelid looks swollen.
Since the area of armpit has folded skin it is easy for the bacteria and fungus to thrive on the sweat and moisture created in it.
Since the area of armpits is vulnerable to bacteria and fungus it should be kept completely dry and clean. Mild ant-bacterial soap is recommended if the armpit rash is caused by bacterial infection. A veterinarian will also differentiate symptoms from mange, secondary pyoderma (pus filled skin pimples) and yeast infections (ringworm). Symptoms can start even if a dog has been using the same food or treat for one or more years.
The scraping will show if problems such as mange, bacterial skin infection , yeast infection or a fungal infection are the underlying cause. The frequency of each condition differs by geographic area and population; however, genital herpes is the most prevalent of these diseases. It takes 5-10 days for acute form of paronychia to be treated, whereas in chronic type it may take several days and even weeks. You can repeat this process for several times a day and mild infections will settle down with this therapy. In case of pus collection, your doctor will give a shot of local anesthesia for draining off the pus inside. In severe form of infection, oral antibiotics are given for destroying the microorganisms that cause infection.
My daughter had it when she was two months old and she also had a swollen eye and discharge. I've just made an appointment with the pediatrician for the afternoon but I don't understand how he could get an infection so soon. It is a common problem in both sexes that causes itching in the armpits and redness on that area. Some of the common symptoms of armpit rash are intense itching, inflammation of the skin in the area, redness and swelling of skin.
The presence of hair follicles and sweat glands also makes it easy for the micro-organisms to thrive. Chemical allergy can develop in armpits when a person uses harsh soap or deodorants in armpit. When the immune system gets weakened, these organisms outgrow in number multiplying rapidly. This gives room for micro-organisms to thrive on armpits causing irritation and discomfort. For people who sweat in excess special gel containing alum chloride hexahydrate is prescribed.
Causes of dog skin papules (elevated skin lesion that does not contain pus) and pustules (does contain pus) under 1 cm (.39 inches) and causes over 1 cm are described below.
Another is when they begin to grow abnormally, resulting in benign (not cancer) or cancerous tumors (also called neoplasms). Fleas are notorious as hiding and can even infect indoor dogs exposed to fleas brought into the house by another pet or even a person. You can wear rubber gloves if your work involves repeated working with water or harsh chemicals.
An individual who is not cleaning his armpit frequently is likely to develop armpit rash easily. Sweat glands are blocked due to sweat causing red bumps on the armpits which is known as Miliaria rubra. Less common infectious causes of genital, anal, or perianal ulcers include chancroid and donovanosis. Acute type occurs all of a sudden and the infected nail area develops swelling, redness and warmth.
In case of acute type, the pain is intense and there will be inflammation around the nails. Apply calamine lotion on the affected area which provides good relief from the symptoms of redness and irritation. It also helped to wipe her eye with a warm, wet cloth. It's good that you made an appointment because it might not be an infection. Armpit rash is caused by many factors like lack of hygiene, allergen, excessive sweat, candida infection, exposure to hot climate and dermatitis.
Itching is controlled by taking oral pills, applying skin creams that contain antifungal medication.
Therefore, all patients who have genital, anal, or perianal ulcers should be evaluated with a serologic test for syphilis and a diagnostic evaluation for genital herpes; in settings where chancroid is prevalent, a test for Haemophilus ducreyi should also be performed. The infected area will be slightly swollen and probably the cuticle around the nail would be missing. For diabetic people, you need to monitor the blood sugar levels often to avoid getting infected.
Armpit rash can be treated with suitable medications after examining the root cause of the rashes. Type-specific serology for HSV-2 might be helpful in identifying persons with genital herpes (see Genital Herpes, Type-Specific Serologic Tests). It is usually caused by Candida infection and it starts affecting one finger eventually spreading to other fingers. Excess use of deodorants will block the pores of the sweat glands leading to the formation of blackheads. In addition, biopsy of genital, anal, or perianal ulcers can help identify the cause of ulcers that are unusual or that do not respond to initial therapy. This might cause itching and redness and for some people abscess may also develop in that area.
HIV testing should be performed on all persons with genital, anal, or perianal ulcers who are not known to have HIV infection (see Diagnostic Considerations, sections on Syphilis , Chancroid, and Genital Herpes Simplex Virus).Health-care providers frequently must treat patients before test results are available, because early treatment decreases the possibility of ongoing transmission and because successful treatment of genital herpes depends on prompt initiation of therapy. Worldwide, chancroid appears to have declined as well, although infection might still occur in some regions of Africa and the Caribbean.
Chancroid, as well as genital herpes and syphilis, is a risk factor in the transmission of HIV infection (144).A definitive diagnosis of chancroid requires the identification of H.
Worldwide, several isolates with intermediate resistance to either ciprofloxacin or erythromycin have been reported. However, because cultures are not routinely performed, data are limited regarding the current prevalence of antimicrobial resistance.Other Management ConsiderationsMen who are uncircumcised and patients with HIV infection do not respond as well to treatment as persons who are circumcised or HIV-negative. If treatment is successful, ulcers usually improve symptomatically within 3 days and objectively within 7 days after therapy. If no clinical improvement is evident, the clinician must consider whether 1) the diagnosis is correct, 2) the patient is coinfected with another STD, 3) the patient is infected with HIV, 4) the treatment was not used as instructed, or 5) the H.
In addition, healing is slower for some uncircumcised men who have ulcers under the foreskin.


Clinical resolution of fluctuant lymphadenopathy is slower than that of ulcers and might require needle aspiration or incision and drainage, despite otherwise successful therapy. No adverse effects of chancroid on pregnancy outcome have been reported.HIV InfectionHIV-infected patients who have chancroid should be monitored closely because, as a group, they are more likely to experience treatment failure and to have ulcers that heal more slowly.
HIV-infected patients might require repeated or longer courses of therapy than those recommended for HIV-negative patients, and treatment failures can occur with any regimen.
Because data are limited concerning the therapeutic efficacy of the recommended ceftriaxone and azithromycin regimens in HIV-infected patients, these regimens should be used for such patients only if follow-up can be ensured.Genital HSV InfectionsGenital herpes is a chronic, life-long viral infection. Most cases of recurrent genital herpes are caused by HSV-2, and at least 50 million persons in the United States are infected with this type of genital herpes (147). However, an increasing proportion of anogenital herpetic infections in some populations has been attributed to HSV-1 infection.Most persons infected with HSV-2 have not been diagnosed with genital herpes. Many such persons have mild or unrecognized infections but shed virus intermittently in the genital tract. As a result, the majority of genital herpes infections are transmitted by persons unaware that they have the infection or who are asymptomatic when transmission occurs. Management of genital HSV should address the chronic nature of the disease and go beyond the treatment of acute episodes of genital ulcers.Diagnosis of HSV InfectionThe clinical diagnosis of genital herpes is both nonsensitive and nonspecific. The classical painful multiple vesicular or ulcerative lesions are absent in many infected persons. Recurrences and subclinical shedding are much less frequent for genital HSV-1 infection than for genital HSV-2 infection (150,151). Both virologic and type-specific serologic tests for HSV should be available in clinical settings that provide care for persons diagnosed with or at risk for STDs.Virologic TestsCell culture and PCR are the preferred HSV tests for persons who seek medical treatment for genital ulcers or other mucocutaneous lesions.
The sensitivity of viral culture is low, especially for recurrent lesions, and declines rapidly as lesions begin to heal.
PCR assays for HSV DNA are more sensitive and are increasingly used in many settings (153,154). PCR is the test of choice for detecting HSV in spinal fluid for diagnosis of HSV infection of the central nervous system (CNS). Viral culture isolates should be typed to determine which type of HSV is causing the infection. Failure to detect HSV by culture or PCR does not indicate an absence of HSV infection, because viral shedding is intermittent. Accurate type-specific HSV serologic assays are based on the HSV-specific glycoprotein G2 (HSV-2) and glycoprotein G1 (HSV-1).
The sensitivities of these glycoprotein G type-specific tests for the detection of HSV-2 antibody vary from 80%–98%, and false-negative results might be more frequent at early stages of infection. False-positive results can occur, especially in patients with a low likelihood of HSV infection.
Repeat or confirmatory testing might be indicated in some settings, especially if recent acquisition of genital herpes is suspected. IgM testing for HSV is not useful, because the IgM tests are not type-specific and might be positive during recurrent episodes of herpes (159).Because nearly all HSV-2 infections are sexually acquired, the presence of type-specific HSV-2 antibody implies anogenital infection. In this instance, education and counseling appropriate for persons with genital herpes should be provided. Most persons with HSV-1 antibody have oral HSV infection acquired during childhood, which might be asymptomatic. However, acquisition of genital HSV-1 appears to be increasing, and genital HSV-1 also can be asymptomatic (147-149). HSV serologic testing should be considered for persons presenting for an STD evaluation (especially for those persons with multiple sex partners), persons with HIV infection, and MSM at increased risk for HIV acquisition.
Screening for HSV-1 and HSV-2 in the general population is not indicated.Management of Genital HerpesAntiviral chemotherapy offers clinical benefits to most symptomatic patients and is the mainstay of management. Counseling regarding the natural history of genital herpes, sexual and perinatal transmission, and methods to reduce transmission is integral to clinical management.Systemic antiviral drugs can partially control the signs and symptoms of herpes episodes when used to treat first clinical and recurrent episodes, or when used as daily suppressive therapy.
However, these drugs neither eradicate latent virus nor affect the risk, frequency, or severity of recurrences after the drug is discontinued. Randomized trials have indicated that three antiviral medications provide clinical benefit for genital herpes: acyclovir, valacyclovir, and famciclovir (160-168).
Valacyclovir is the valine ester of acyclovir and has enhanced absorption after oral administration. Topical therapy with antiviral drugs offers minimal clinical benefit, and its use is discouraged.First Clinical Episode of Genital HerpesNewly acquired genital herpes can cause a prolonged clinical illness with severe genital ulcerations and neurologic involvement. Even persons with first-episode herpes who have mild clinical manifestations initially can develop severe or prolonged symptoms. Intermittent asymptomatic shedding occurs in persons with genital HSV-2 infection, even in those with longstanding or clinically silent infection.
Antiviral therapy for recurrent genital herpes can be administered either as suppressive therapy to reduce the frequency of recurrences or episodically to ameliorate or shorten the duration of lesions. Some persons, including those with mild or infrequent recurrent outbreaks, benefit from antiviral therapy; therefore, options for treatment should be discussed.
Safety and efficacy have been documented among patients receiving daily therapy with acyclovir for as long as 6 years and with valacyclovir or famciclovir for 1 year (171,172). Such couples should be encouraged to consider suppressive antiviral therapy as part of a strategy to prevent transmission, in addition to consistent condom use and avoidance of sexual activity during recurrences. Ease of administration and cost also are important considerations for prolonged treatment.Episodic Therapy for Recurrent Genital HerpesEffective episodic treatment of recurrent herpes requires initiation of therapy within 1 day of lesion onset or during the prodrome that precedes some outbreaks.
Acyclovir dose adjustment is recommended for impaired renal function.CounselingCounseling of infected persons and their sex partners is critical to the management of genital herpes. The goals of counseling include 1) helping patients cope with the infection and 2) preventing sexual and perinatal transmission (174,175). Although initial counseling can be provided at the first visit, many patients benefit from learning about the chronic aspects of the disease after the acute illness subsides.
Common concerns regarding genital herpes include the severity of initial clinical manifestations, recurrent episodes, sexual relationships and transmission to sex partners, and ability to bear healthy children.
Type-specific serologic testing of the asymptomatic partners of persons with genital herpes is recommended to determine whether such partners are already HSV seropositive or whether risk for acquiring HSV exists.The risk for neonatal HSV infection should be explained to all persons, including men. Pregnant women and women of childbearing age who have genital herpes should inform their providers who care for them during pregnancy and those who will care for their newborn infant about their infection. Pregnant women who are not known to be infected with HSV-2 should be advised to abstain from intercourse with men who have genital herpes during the third trimester of pregnancy. In addition, such persons should be educated about the clinical manifestations of genital herpes.When exposed to HIV, HSV-2 seropositive persons are at increased risk for HIV acquisition. Patients should be informed that suppressive antiviral therapy does not reduce the increased risk for HIV acquisition associated with HSV-2 infection (177,178).Management of Sex PartnersThe sex partners of patients who have genital herpes can benefit from evaluation and counseling.
Symptomatic sex partners should be evaluated and treated in the same manner as patients who have genital lesions. Asymptomatic sex partners of patients who have genital herpes should be questioned concerning histories of genital lesions and offered type-specific serologic testing for HSV infection.Special ConsiderationsAllergy, Intolerance, and Adverse ReactionsAllergic and other adverse reactions to acyclovir, valacyclovir, and famciclovir are rare. Desensitization to acyclovir has been described (179).HIV InfectionImmunocompromised patients can have prolonged or severe episodes of genital, perianal, or oral herpes. Lesions caused by HSV are common among HIV-infected patients and might be severe, painful, and atypical. Whereas antiretroviral therapy reduces the severity and frequency of symptomatic genital herpes, frequent subclinical shedding still occurs (180). Clinical manifestations of genital herpes might worsen during immune reconstitution after initiation of antiretroviral therapy.Suppressive or episodic therapy with oral antiviral agents is effective in decreasing the clinical manifestations of HSV among HIV-positive persons (181-183).
The extent to which suppressive antiviral therapy will decrease HSV transmission from this population is unknown. Such persons should be managed in consultation with an HIV specialist, and alternate therapy should be administered. All acyclovir-resistant strains are resistant to valacyclovir, and the majority are resistant to famciclovir. Imiquimod is a topical alternative, as is topical cidofovir gel 1%, which is not commercially available and must be compounded at a pharmacy. These topical preparations should be applied to the lesions once daily for 5 consecutive days.Clinical management of antiviral resistance remains challenging among HIV-infected patients, and other preventative approaches might be necessary. However, experience with another group of immunocompromised persons (hematopoietic stem-cell recipients) demonstrated that persons receiving daily suppressive antiviral therapy were less likely to develop acyclovir-resistant HSV compared with those who received episodic therapy with outbreaks (185).Genital Herpes in PregnancyMost mothers of infants who acquire neonatal herpes lack histories of clinically evident genital herpes (186). However, because recurrent genital herpes is much more common than initial HSV infection during pregnancy, the proportion of neonatal HSV infections acquired from mothers with recurrent herpes is substantial.
Prevention of neonatal herpes depends both on preventing acquisition of genital HSV infection during late pregnancy and avoiding exposure of the infant to herpetic lesions during delivery. Because the risk for herpes is high in infants of women who acquire genital HSV during late pregnancy, these women should be managed in consultation with an infectious disease specialist.Women without known genital herpes should be counseled to abstain from intercourse during the third trimester with partners known or suspected of having genital herpes. In addition, pregnant women without known orolabial herpes should be advised to abstain from receptive oral sex during the third trimester with partners known or suspected to have orolabial herpes. Some specialists believe that type-specific serologic tests are useful to identify pregnant women at risk for HSV infection and to guide counseling regarding the risk for acquiring genital herpes during pregnancy and that such testing should be offered to uninfected women whose sex partner has HSV infection. However, the effectiveness of antiviral therapy to decrease the risk for HSV transmission to pregnant women by infected partners has not been studied.All pregnant women should be asked whether they have a history of genital herpes. At the onset of labor, all women should be questioned carefully about symptoms of genital herpes, including prodromal symptoms, and all women should be examined carefully for herpetic lesions. Although cesarean section does not completely eliminate the risk for HSV transmission to the infant, women with recurrent genital herpetic lesions at the onset of labor should deliver by cesarean section to prevent neonatal HSV infection.The safety of systemic acyclovir, valacyclovir, and famciclovir therapy in pregnant women has not been definitively established. Available data do not indicate an increased risk for major birth defects compared with the general population in women treated with acyclovir during the first trimester (188) — findings that provide assurance to women who have had prenatal exposure to acyclovir. However, data regarding prenatal exposure to valacyclovir and famciclovir are too limited to provide useful information on pregnancy outcomes. Acyclovir can be administered orally to pregnant women with first episode genital herpes or severe recurrent herpes and should be administered IV to pregnant women with severe HSV infection. Acyclovir treatment late in pregnancy reduces the frequency of cesarean sections among women who have recurrent genital herpes by diminishing the frequency of recurrences at term (189-191); the effect of antiviral therapy late in pregnancy on the incidence of neonatal herpes is not known. No data support the use of antiviral therapy among HSV seropositive women without a history of genital herpes.Neonatal HerpesInfants exposed to HSV during birth, as documented by maternal virologic testing or presumed by observation of maternal lesions, should be followed carefully in consultation with a pediatric infectious disease specialist.
Surveillance cultures of mucosal surfaces to detect HSV infection might be considered before the development of clinical signs of neonatal herpes. In addition, administration of acyclovir might be considered for infants born to women who acquired HSV near term because the risk for neonatal herpes is high for these infants. All infants who have neonatal herpes should be promptly evaluated and treated with systemic acyclovir.


Clinically, the disease is commonly characterized as painless, slowly progressive ulcerative lesions on the genitals or perineum without regional lymphadenopathy; subcutaneous granulomas (pseudoboboes) might also occur.
Extragenital infection can occur with extension of infection to the pelvis, or it can disseminate to intraabdominal organs, bones, or the mouth. The lesions also can develop secondary bacterial infection and can coexist with other sexually transmitted pathogens.The causative organism is difficult to culture, and diagnosis requires visualization of dark-staining Donovan bodies on tissue crush preparation or biopsy. Treatment has been shown to halt progression of lesions, and healing typically proceeds inward from the ulcer margins; prolonged therapy is usually required to permit granulation and reepithelialization of the ulcers.
However, the value of empiric therapy in the absence of clinical signs and symptoms has not been established.Special ConsiderationsPregnancyPregnancy is a relative contraindication to the use of sulfonamides. Azithromycin might prove useful for treating granuloma inguinale during pregnancy, but published data are lacking. LGV is an invasive, systemic infection, and if it is not treated early, LGV proctocolitis can lead to chronic, colorectal fistulas and strictures. Genital and colorectal LGV lesions can also develop secondary bacterial infection or can be coinfected with other sexually and nonsexually transmitted pathogens.Diagnosis is based on clinical suspicion, epidemiologic information, and the exclusion of other etiologies for proctocolitis, inguinal lymphadenopathy, or genital or rectal ulcers. Comparative data between types of serologic tests are lacking, and the diagnostic utility of serologic methods other than complement fixation and some microimmunofluorescence procedures has not been established. Serologic test interpretation for LGV is not standardized, tests have not been validated for clinical proctitis presentations, and C.
Doxycycline is the preferred treatment.Recommended RegimenDoxycycline 100 mg orally twice a day for 21 days Alternative RegimenErythromycin base 500 mg orally four times a day for 21 days Although clinical data are lacking, azithromycin 1 g orally once weekly for 3 weeks is probably effective based on its chlamydial antimicrobial activity. Azithromycin might prove useful for treatment of LGV in pregnancy, but no published data are available regarding its safety and efficacy. Doxycycline is contraindicated in pregnant women.HIV InfectionPersons with both LGV and HIV infection should receive the same regimens as those who are HIV negative. Prolonged therapy might be required, and delay in resolution of symptoms might occur.SyphilisSyphilis is a systemic disease caused by Treponema pallidum.
On the basis of clinical findings, the disease has been divided into a series of overlapping stages, which are used to help guide treatment and follow-up. Latent syphilis acquired within the preceding year is referred to as early latent syphilis; all other cases of latent syphilis are either late latent syphilis or latent syphilis of unknown duration.
The use of only one type of serologic test is insufficient for diagnosis, because each type of test has limitations, including the possibility of false-positive test results in persons without syphilis. The VDRL and RPR are equally valid assays, but quantitative results from the two tests cannot be compared directly because RPR titers frequently are slightly higher than VDRL titers. Treponemal test antibody titers should not be used to assess treatment response.Some clinical laboratories and blood banks have begun to screen samples using treponemal tests, typically by EIA or chemiluminescence immunoassays (201,202).
This strategy will identify both persons with previous treatment for syphilis and persons with untreated or incompletely treated syphilis. The positive predictive value for syphilis associated with a treponemal screening test result might be lower among populations with a low prevalence of syphilis.Persons with a positive treponemal screening test should have a standard nontreponemal test with titer performed reflexively by the laboratory to guide patient management decisions.
If the nontreponemal test is negative, then the laboratory should perform a different treponemal test (preferably one based on different antigens than the original test) to confirm the results of the initial test. If a second treponemal test is positive, persons with a history of previous treatment will require no further management unless sexual history suggests likelihood of re-exposure.
Unless history or results of a physical examination suggest a recent infection, previously untreated persons should be treated for late latent syphilis. Laboratory testing is helpful in supporting the diagnosis of neurosyphilis; however, no single test can be used to diagnose neurosyphilis in all instances. Cerebrospinal fluid (CSF) laboratory abnormalities are common in persons with early syphilis.
The VDRL in cerebrospinal fluid (CSF-VDRL), which is highly specific but insensitive, is the standard serologic test for CSF.
When reactive in the absence of substantial contamination of CSF with blood, it is considered diagnostic of neurosyphilis; however in early syphilis, it can be of unknown prognostic significance (203). Most other tests are both insensitive and nonspecific and must be interpreted in relation to other test results and the clinical assessment.
Therefore, the laboratory diagnosis of neurosyphilis usually depends on various combinations of reactive serologic test results, CSF cell count or protein, and a reactive CSF-VDRL with or without clinical manifestations. The CSF-VDRL might be nonreactive even when neurosyphilis is present; therefore, additional evaluation using FTA-ABS testing on CSF can be considered. Combinations of benzathine penicillin, procaine penicillin, and oral penicillin preparations are not considered appropriate for the treatment of syphilis. Reports have indicated that practitioners have inadvertently prescribed combination benzathine-procaine penicillin (Bicillin C-R) instead of the standard benzathine penicillin product (Bicillin L-A) widely used in the United States. Practitioners, pharmacists, and purchasing agents should be aware of the similar names of these two products to avoid using the inappropriate combination therapy agent for treating syphilis (206).The effectiveness of penicillin for the treatment of syphilis was well established through clinical experience even before the value of randomized controlled clinical trials was recognized. Therefore, nearly all the recommendations for the treatment of syphilis are based not only on clinical trials and observational studies, but approximately 50 years of clinical experience.Parenteral penicillin G is the only therapy with documented efficacy for syphilis during pregnancy. Pregnant women with syphilis in any stage who report penicillin allergy should be desensitized and treated with penicillin (see Management of Patients Who Have a History of Penicillin Allergy).The Jarisch-Herxheimer reaction is an acute febrile reaction frequently accompanied by headache, myalgia, fever, and other symptoms that usually occur within the first 24 hours after the initiation of any therapy for syphilis.
The Jarisch-Herxheimer reaction occurs most frequently among patients who have early syphilis, presumably because bacterial burdens are higher during these stages.
Antipyretics can be used to manage symptoms, but they have not been proven to prevent this reaction.
The Jarisch-Herxheimer reaction might induce early labor or cause fetal distress in pregnant women, but this should not prevent or delay therapy (see Syphilis During Pregnancy).Management of Sex PartnersSexual transmission of T.
Therefore, in the absence of clinical neurologic findings, no evidence exists to support variation from the recommended treatment regimen for early syphilis.
Symptomatic neurosyphilis develops in only a limited number of persons after treatment with the penicillin regimens recommended for primary and secondary syphilis. Therefore, unless clinical signs or symptoms of neurologic or ophthalmic involvement are present or treatment failure is documented, routine CSF analysis is not recommended for persons who have primary or secondary syphilis.Follow-UpTreatment failure can occur with any regimen. However, assessing response to treatment frequently is difficult, and definitive criteria for cure or failure have not been established. In addition, nontreponemal test titers might decline more slowly for persons who previously have had syphilis (207). Because treatment failure usually cannot be reliably distinguished from reinfection with T. In rare instances, serologic titers do not decline despite a negative CSF examination and a repeated course of therapy. However, several therapies might be effective in nonpregnant, penicillin-allergic patients who have primary or secondary syphilis.
Doxycycline 100 mg orally twice daily for 14 days (209,210) and tetracycline (500 mg four times daily for 14 days) are regimens that have been used for many years. Compliance is likely to be better with doxycycline than tetracycline, because tetracycline can cause gastrointestinal side effects. Although limited clinical studies, along with biologic and pharmacologic evidence, suggest that ceftriaxone (1 g daily either IM or IV for 10–14 days) is effective for treating early syphilis, the optimal dose and duration of ceftriaxone therapy have not been defined (211). As such, the use of azithromycin should be used with caution only when treatment with penicillin or doxycycline is not feasible.
Close follow-up of persons receiving any alternative therapies is essential.Persons with a penicillin allergy whose compliance with therapy or follow-up cannot be ensured should be desensitized and treated with benzathine penicillin. Patients who have latent syphilis and who acquired syphilis during the preceding year are classified as having early latent syphilis. In addition, for persons whose only possible exposure occurred during the previous 12 months, reactive nontreponemal and treponemal tests are indicative of early latent syphilis.
In the absence of these conditions, an asymptomatic person should be considered to have late latent syphilis or syphilis of unknown duration. Nontreponemal serologic titers usually are higher during early latent syphilis than late latent syphilis. However, early latent syphilis cannot be reliably distinguished from late latent syphilis solely on the basis of nontreponemal titers. All patients who have syphilis should be tested for HIV infection.TreatmentBecause latent syphilis is not transmitted sexually, the objective of treating patients with this stage of disease is to prevent complications.
In addition, birth and maternal medical records should be reviewed to assess whether children have congenital or acquired syphilis (see Congenital Syphilis). Older children with acquired latent syphilis should be evaluated as described for adults and treated using the following pediatric regimens (see Sexual Assault or Abuse of Children). Pharmacologic considerations suggest that an interval of 10–14 days between doses of benzathine penicillin for late syphilis or latent syphilis of unknown duration might be acceptable before restarting the sequence of injections.
Missed doses are not acceptable for pregnant patients receiving therapy for late latent syphilis.
Pregnant women who miss any dose of therapy must repeat the full course of therapy.Follow-UpQuantitative nontreponemal serologic tests should be repeated at 6, 12, and 24 months. In such circumstances, even if the CSF examination is negative, retreatment for latent syphilis should be initiated.
In rare instances, despite a negative CSF examination and a repeated course of therapy, serologic titers might fail to decline. Nonpregnant patients allergic to penicillin who have clearly defined early latent syphilis should respond to therapies recommended as alternatives to penicillin for the treatment of primary and secondary syphilis (see Primary and Secondary Syphilis, Treatment). The only acceptable alternatives for the treatment of late latent syphilis or latent syphilis of unknown duration are doxycycline (100 mg orally twice daily) or tetracycline (500 mg orally four times daily), both for 28 days.
These therapies should be used only in conjunction with close serologic and clinical follow-up. Based on biologic plausibility and pharmacologic properties, ceftriaxone might be effective for treating late latent syphilis or syphilis of unknown duration. However, the optimal dose and duration of ceftriaxone therapy have not been defined, and treatment decisions should be discussed in consultation with a specialist.
Some patients who are allergic to penicillin also might be allergic to ceftriaxone; in these circumstances, use of an alternative agent might be required.
Some providers treat all patients who have cardiovascular syphilis with a neurosyphilis regimen. However, CSF laboratory abnormalities are common in persons with early syphilis, even in the absence of clinical neurological findings. No evidence exists to support variation from recommended treatment for early syphilis for patients found to have such abnormalities.



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