Antibiotics kill the healthy bacteria that normally reside in the intestines, which allows Clostridioides difficile bacteria to grow in their place. However, it sometimes occurs in people who have not been treated with antibiotics. Although it is usually caused by infection with a microorganism, it can also be caused by ingesting. diff) is now probably the most common bacterial cause of diarrhea in the United States and is the most common cause of diarrhea that occurs after treatment with antibiotics (see Drug-Related Gastroenteritis Drug-Related Gastroenteritis and Chemical-Related Gastroenteritis Gastroenteritis is inflammation of the lining of the stomach and small and large intestines. The diarrhea contains microscopic white and red blood cells and sometimes visible blood.Ĭlostridioides difficile ( C. There, they damage cells, causing sores (ulcerations) that bleed, and allow a considerable leakage of fluid containing proteins, electrolytes, and water. read more ) invade the lining of the small or large intestine (colon). Clostridia also reside in animals, soil, and decaying vegetation. read more, and Clostridioides difficile Overview of Clostridial Infections Clostridia are bacteria that commonly reside in the intestine of healthy adults and newborns. People are usually infected when they eat contaminated food. ![]() read more, Salmonella Salmonella Infections The gram-negative bacteria Salmonella typically cause diarrhea and sometimes cause a more serious infection, typhoid fever. It results in watery diarrhea or dysentery (the frequent and often painful passage of small amounts of stool that contain. read more, Shigella Shigellosis Shigellosis is infection by the gram-negative bacteria Shigella. ![]() read more, Campylobacter Campylobacter Infections Several species of the gram-negative bacteria Campylobacter (most commonly Campylobacter jejuni) can infect the digestive tract, often causing diarrhea. coli) are a group of gram-negative bacteria that normally reside in the intestine of healthy people, but some strains can cause infection in the digestive. coli Escherichia coli Infections Escherichia coli ( E. Some bacteria (such as certain strains of E. Symptoms begin within 12 hours of ingesting contaminated food and lessen within 36 hours. These toxins generally cause severe nausea, vomiting, and diarrhea. The toxin can cause gastroenteritis without causing a bacterial infection. read more ) produce an exotoxin that can be present in contaminated food. read more, Bacillus cereus, and Clostridium perfringens Overview of Clostridial Infections Clostridia are bacteria that commonly reside in the intestine of healthy adults and newborns. These gram-positive, sphere-shaped (coccal) bacteria (see figure ) often cause skin infections. ![]() Other bacteria (such as Staphylococcus aureus Staphylococcus aureus Infections Staphylococcus aureus is the most dangerous of all of the many common staphylococcal bacteria.
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