Bacterial causes of diarrhea and vomiting help,how to get rid of skin redness on chest infection,how to treat a bacterial infection quiz - For Begninners

10.05.2016, admin
Diarrhea can cause dehydration, which means the body lacks enough fluid to function properly. Dehydration is particularly dangerous in children and the elderly, and it must be treated promptly to avoid serious health problems. In most acute cases, the illness is brief and at most an inconvenience and for the otherwise healthy adult it can be easily managed. Loose bowel movements with bloating or flatus are often caused by lactose (in nonfermented dairy products) or complex carbohydrates (often found in beans).
Bloating, gas, cramps, loose stools hours after eating dairy products or other offending foods. Reaction to medicines, such as antibiotics, blood pressure medications, and antacids containing magnesium. Functional bowel disorders, such as irritable bowel syndrome, in which the intestines do not work normally. People who visit foreign countries are at risk for traveler's diarrhea, which is caused by eating food or drinking water contaminated with bacteria, viruses, or, sometimes, parasites. Even the healthiest and best prepared traveler may succumb to the disruption of routine caused by changes in time zones, unusual foods, increased physical exercise, extreme variations in altitude, and exposure to unfamiliar viruses and bacteria. Traveler's diarrhea is caused by various bacteria, viruses or parasites which are indigenous to the area and have contaminated the food or water. Local residents usually are protected by immunity from previous exposure, but because of the variety of microorganisms which can trigger symptoms, one attack of diarrhea does not provide immunity for most travelers.
Studies have shown that persons traveling from more developed to less developed areas are at greater risk. Those who eat in private homes are less likely to develop symptoms than persons eating most of their meals in restaurants.
This typically affects newcomers from cooler climates within 14 days (often between days 2 to 5) of arrival in warmer or tropical areas.
Onset of symptoms is abrupt, with abdominal cramps and nausea followed by loose, then watery stools. The illness is most severe on the first day and subsides over the next several days without therapy. During or after a trip is often a change to loose but not watery stools (commonly alternating with constipation) and may last weeks to months.
This is often due to a parasitic infection, usually Giardia, and may be diagnosed and treated upon return. Diarrhea may be accompanied by cramping abdominal pain, bloating, nausea, or an urgent need to use the bathroom. Medications to treat diarrhea in adults can be dangerous to children and should be given only under a doctor's guidance.
Acute diarrhea is defined as diarrheal disease of rapid onset, often with nausea, vomiting, fever, or abdominal pain. The nature of onset, duration, frequency, and timing of the diarrheal episodes should be assessed. Drugs that may cause diarrhea include laxatives, magnesium-containing compounds, sulfa-drugs, antibiotics. Abdominal tenderness, mild distention and hyperactive bowel sounds are common in acute infectious diarrhea. Infectious diarrhea is usually classified as noninflammatory or inflammatory, depending on whether the infectious organism has invaded the intestinal mucosa. Noninflammatory infectious diarrhea is caused by organisms that produce a toxin (enterotoxigenic E coli strains, Vibrio cholerae).
Blood or mucus in the stool suggests inflammatory disease, usually caused by bacterial invasion of the mucosa (enteroinvasive E coli, Shigella, Salmonella, Campylobacter). Vomiting out of proportion to diarrhea is usually related to a neuroenterotoxin-mediated food poisoning from Staphylococcus aureus or Bacillus cereus, or from an enteric virus, such as rotavirus (in an infant), or a small round virus, such as Norwalk virus (in older children or adults).
Patients with pseudomembranous colitis have high fever, cramping, leukocytosis, and severe, watery diarrhea.
Enterotoxigenic E coli can cause hemolytic uremic syndrome, thrombotic thrombocytopenic purpura, intestinal perforation, sepsis, and rectal prolapse. An attempt should be made to obtain a pathologic diagnosis in patients who give a history of recent ingestion of seafood ( Vibrio parahaemolyticus), travel or camping, antibiotic use, homosexual activity, or who complain of fever and abdominal pain. Blood or mucus in the stools indicates the presence of Shigella, Salmonella, Campylobacter jejuni, enteroinvasive E. Most cases of mild diarrheal disease do not require laboratory studies to determine the etiology.
Fecal leukocytes is a screening test which should be obtained if moderate to severe diarrhea is present. Stool cultures for bacterial pathogens should be obtained if high fevers, severe or persistent (>14 d) diarrhea, bloody stools, or leukocytes are present.
Examination for ova and parasites is indicated for persistent diarrhea (>14 d), travel to a high-risk region, gay males, infants in day care, or dysentery. Blood cultures should be obtained prior to starting antibiotics if severe diarrhea and high fever is present. Clostridium difficile cytotoxin should be obtained if diarrhea follows use of an antimicrobial agent. Rotavirus antigen test (Rotazyme) is indicated for hospitalized children <2 years old with gastroenteritis. Intravenous hydration should be used if oral rehydration is not possible; potassium may be added. Fatty foods and foods high in simple sugars, such as sweetened tea, juices, and soft drinks should be avoided. Well-tolerated foods include complex carbohydrates (rice, wheat, potatoes, bread, and cereals), lean meats, yogurt, fruits, and vegetables. If diarrhea is associated with high fever and stools containing mucus and blood, empiric antibacterial therapy should be given for Shigella or Campylobacter jejuni.
Adults: Norfloxacin ( Noroxin) 400 mg bid, ciprofloxacin ( Cipro) 500 mg bid, ofloxacin ( Floxin) 300 mg bid for 3-5 days. Initial evaluation should determine the characteristics of the diarrhea, including volume, mucus, blood, flatus, cramps, tenesmus, duration, frequency, effect of fasting, stress, and the effect of specific foods (eg, dairy products, wheat, laxatives, fruits).
Evaluation of secretory diarrhea consists of a giardia antigen, Entamoeba histolytica antibody, Yersinia culture, fasting serum glucose, thyroid function tests, and a cholestyramine (Cholybar, Questran) trial.


Osmotic diarrhea is characterized by small stool volumes, a decrease with fasting, and a fecal osmotic gap >40. Exudative diarrhea is characterized by bloody stools, tenesmus, urgency, cramping pain, and nocturnal occurrence.
Evaluation of exudative diarrhea consists of a complete blood cell count, serum albumin, total protein, erythrocyte sedimentation rate, electrolyte measurement, Entamoeba histolytica antibody titers, stool culture, Clostridium difficile antigen test, ova and parasite testing, and flexible sigmoidoscopy and biopsies. Gastrointestinal disease is a major problem in patients with HIV and AIDS, and diarrhea is reported in up to 60% of patients with AIDS.
The symptom varies with the extent and intensity, how fast it grows on the body and how far is resistant to antibiotics.
Even a normal course of penicillin is enough to control the growth of this bacterial infection, but many people are taking over dose of antibiotics and become resistant to certain antibiotics.
Whenever you have some cuts or wounds on the skin, wash it with soapy water and keep them clean and dry. This parasite usually infects young children, usually in day care settings where it is passed child to child by direct contact, and by adults changing different children’s diapers without hand washing in between. Don’t get too confused or worried through --- since the vast majority of diarrhea episodes are the harmless types, the odds are with you.
Several types of bacteria, consumed through contaminated food or water, can cause diarrhea. Many viruses cause diarrhea, including rotavirus, Norwalk virus, cytomegalovirus, herpes simplex virus, and viral hepatitis.
Some people are unable to digest a component of food, such as lactose, the sugar found in milk.
The reason may be a change in how quickly food moves through the digestive system after stomach surgery or an increase in bile in the colon that can occur after gallbladder surgery.
As long as diarrhea goes away on its own, an extensive search for the cause is not usually necessary. The acute form, which lasts less than 3 weeks, is usually related to a bacterial, viral, or parasitic infection.
Causes include bacteria, viruses, parasites, medications, functional disorders, and food sensitivities. The appearance of the stool, buoyancy, presence of blood or mucus, vomiting, or pain should be determined. Dehydration is suggested by dry mucous membranes, orthostatic hypotension, tachycardia, mental status changes, and acute weight loss. However, the presence of peritoneal signs or rigidity suggests toxic megacolon or perforation, requiring radiologic examination of the abdomen. Patients usually have a septic appearance and fever; some have abdominal rigidity and severe abdominal pain. The incubation period for neuroenterotoxin food poisoning is less than 4 hours, while that of a viral agent is more than 8 hours.
Typically, three or four unformed stools are passed per 24 hours, usually starting on the third day of travel and lasting 2-3 days.
In moderate to severe diarrhea with fever or pus in stools, a liquid stool culture for bacterial pathogens (Salmonella, Shigella, Campylobacter) is submitted. Enterotoxigenic E coli should be suspected if there are bloody stools with minimal fever, or when diarrhea follows hamburger or fast food consumption, or when hemolytic uremic syndrome is diagnosed.
For cases of mild to moderate diarrhea in children, Pedialyte or Ricelyte should be administered. A lactose-free milk preparation may be substituted, if lactose intolerance becomes apparent. It is most often caused by inflammatory bowel disease, which may be indicated by the presence of anemia, hypoalbuminemia, and an increased sedimentation rate. Diarrhea may wax and wane over time, and in at least 30% of patients, an etiology cannot be determined.
The history should include the duration of symptoms, frequency and characteristics of stools, and the CD4 count. Recent antibiotic or antiretroviral use, previous opportunistic infections, and other illnesses or hospitalizations should be assessed.
Sexually transmitted diseases, intake of unpasteurized dairy products, or raw or under-cooked meat or shellfish should be sought. Large-bowel Disease is characterized by frequent, regular, small-volume, often painful bowel movements.
Systemic Diseases, such as disseminated  Mycobacterium avium infection, may present with diarrhea with persistent fever, severe weight loss, and symptomatic anemia. Height and weight, temperature, orthostatic blood pressure, and degree of wasting are documented.
CMV retinitis raises the possibility that gastrointestinal disease may also be caused by CMV.
Organomegaly may be the first sign of disseminated mycobacterial infection, histoplasmosis, or lymphoma. Neurologic examination should include an assessment of long tract function (vibration and position sense) which may indicate vitamin B-12 deficiency. In febrile patients with a CD4 cell count <200, two sets of blood cultures for mycobacteria or fungi should also be submitted. Modified acid-fast smear for cryptosporidia is appropriate in patients with very low CD4 cell counts and severe diarrhea. If the initial evaluation is negative, the studies should be repeated once or twice more in case a pathogen was missed. Loperamide ( Imodium) 4 mg po initially, then 2 mg q6h around the clock and prn (maximum 16 mg qd). Mycobacterium avium complex and Mycobacterium tuberculosis both cause systemic infections in AIDS, although M. Malabsorptive diarrhea, persistent fever and weight loss are typical of small bowel involvement.
Focal lesions of the gastrointestinal tract often involve the duodenum, and organisms characteristically disseminate to bone-marrow, liver,spleen and lymph nodes.
Small-bowel disease is characterized by large-volume non-bloody diarrhea, nausea, vomiting, abdominal pain, and weight loss.
Cryptosporidia is one of the more common causes of chronic, seemingly pathogen-negative diarrhea.


Modified Ziehl-Neelsen or immunofluorescence staining of a stool sample generally reveals the pathogen.
This disorder is characterized by chronic, intermittent, watery, non-bloody diarrhea and weight loss without fever or abdominal pain. Isospora belli causes a chronic diarrheal syndrome indistinguishable from that caused by Cryptosporidia. Infection with this pathogen is rare in the United States, and those affected are primarily immigrants from Mexico, Latin and Central America. Eosinophilia and an appropriate exposure history in an AIDS patient with diarrhea suggests I. Some HIV-infected patients with relatively intact immune systems develop chronic diarrhea in the absence of identifiable pathogens. A search for other pathogens should be completed before attributing diarrheal disease to  HIV enteropathy. Shigella causes bacillary dysentery, and it presents with abdominal cramping, tenesmus and frequent small-volume bloody stools. Campylobacter occasionally involves the small bowel, but usually causes proctocolitis, with cramping and bloody diarrhea. Campylobacter enteritis may present with negative stool cultures, and biopsy for cultures may be necessary.
CMV can occur anywhere from the mouth to the anus and can cause panenterocolitis in patients with AIDS. Symptoms of CMV colitis include chronic diarrhea, crampy abdominal pain, weight loss, hematochezia and fever.
Therefore diarrhea in cats caused by something different from a chronic disease is a rare phenomenon, so owners must pay careful attention to the condition of their pets. Asian countries,[18] United States (including Hawaii), Canada ,[19] and Scotland)[20] due to bacterial resistance.
The infection is possible when you have small cut or wound in the foot or other body parts.
Do not share towels and soaps with others since you can get infected easily by sharing them.
Parasites that cause diarrhea include Giardia lamblia, Entamoeba histolytica, and Cryptosporidium. Visitors to the United States, Canada, most European countries, Japan, Australia, and New Zealand do not face much risk for traveler's diarrhea. Chronic diarrhea lasts more than 3 weeks and is usually related to functional disorders like irritable bowel syndrome or diseases like celiac disease or inflammatory bowel disease.
Because a child can die from dehydration within a few days, the main treatment for diarrhea in children is rehydration. Accompanying symptoms may include anorexia, nausea, vomiting, abdominal cramps, abdominal bloating, and flatulence.
Amoxicillin, cephalosporins and clindamycin have been implicated most often, but almost any antibiotic can be the cause. For adults with travelers' diarrhea, flavored soft drinks with saltine crackers is usually adequate. Ingestion of an osmotically active laxative may be inadvertent (sugarless gum containing sorbitol) or covert (with eating disorders). The amount and rate of weight loss, residential exposures, occupational exposures, recent travel, pets, hobbies (ie, fishing, hunting, cooking), and type of water supply should be assessed. If these tests are negative and diarrhea persists, options include flexible sigmoidoscopy or colonoscopy and treating empirically with antidiarrheals.
Antibiotics active against Salmonella (ie, trimethoprim-sulfamethoxazole, fluoroquinolone) prevent relapse. Neither a positive stool culture for MAC nor the presence of acid-fast organisms on smear is diagnostic; however, the smear is strongly suggestive of intestinal infection. This bacterium causes antibiotic-associateddiarrhea and life-threatening pseudomembranous colitis. Swelling, red scaly patches on the skin and redness are some of the signs of staph infection. Adults are treated with norfloxacin 400 mg bid, ciprofloxacin 500 mg bid, or ofloxacin 300 mg bid for 3 days. These agents are responsible for hemorrhagic colitis, hemolytic uremic syndrome (HUS) and thrombotic thrombocytopenic purpura (TTP). However, it can also cause encephalitis, pneumonia, hepatitis, adrenalitis, sinusitis, and gastrointestinal disease.
Besides food poisoning and parasitic infestations, diarrhea can be a symptom of almost any infectious disease, pathologies of internal organs, tumors (including cancer), and many other changes in normal body functions. Finding the source and testing or treating all contacts is important, since some people carry and spread the infection without having diarrhea themselves. A vaccine to prevent rotavirus infection is now available for infants under 6 months of age. In addition, in cats each organism is individual from the other, and two pet suffering from the same disease may have different symptoms. For example after products as milk, raisins, nuts, chocolate or coffee.Helminthes may cause diarrhea with mucus two or three times a day. Other symptoms are: tight stomach, weight loss, possible loss of appetite, general weakness, palely gums.
The vet should appoint the treatment against toxins, and the owner must put efforts to identify the source of poisoning.Ileus is characterized by depression, profuse vomiting, frequent diarrhea, and sometimes by abdominal pain. This is an extremely dangerous condition requiring immediate intervention of the veterinarian.Disease of the small intestine - abundant diarrhea two or three times a day of dark brown color. Black stools can be a sign of internal bleeding, so the presence of this symptom is a reason for emergency treatment in the clinic!Bowel disease symptoms are: diarrhea with blood and a lot of mucus, very frequent stools.
The pet becomes sluggish, the body is dehydrated, the disease progresses – in such a situation any delay could cost the life of the cat.



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