What is it?

shigella infection (shigellosis) is an GI tract infection caused by a family of bacteria known as shigella. Shigella is very contagious. People get infected with shigella when they touch and swallow even small amounts of bacteria from the stool of a person who is infected with shigella. Shigella bacteria can also be passed in infected food or by drinking or swimming in unsafe water.

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Additional names

This group contains additional names:
- Shigella
- Shigella Sonnei
- Shigella Dysenteriae
- Shigella Flexneri
- Shigella Boydii

Signs & symptoms

Signs and symptoms of shigella infection usually begin a day or two after contact with shigella. The main sign of shigella infection is diarrhea, which often is bloody. Other symptoms can include:
- Stomach pain
- Fever
- Nausea or vomiting

Symptoms generally last for five to seven days.


The first thing to do to diagnose shigella is a good anamnesis and physical examination. shigella can also be detected by testing a stool sample or a blood culture to identify the presence of shigella bacteria or their toxins.


Because shigella can be dehydrating, treatment focuses on replacing fluids and electrolytes. Severe cases may require hospitalization and intravenous fluids. In addition, your doctor may recommend medications such as:
- Pain relief medication (such as NSAIDS)
- Antibiotics

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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