Diseases
gastrointestinal tract infections
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Gastrointestinal infections are viral, bacterial or parasitic infections that cause gastroenteritis, an inflammation of the gastrointestinal tract involving both the stomach and the small intestine. Symptoms include diarrhea, vomiting, and abdominal pain.
Symptoms
- nausea
- diarrhea
- fever
- vomiting
- stomach cramps
Causes
- bacterial gastrointestinal infections include foodborne infections and food poisoning.
- viral gastrointestinal infections are very common, and often people refer to these as the stomach flu.
- intestinal helminths, or worms, and protozoan parasites cause parasitic gastrointestinal infections.
Risk factors
- alcohol use.
- sedentary working style,
Diagnosis
- blood tests
- physical exam.
- stool studies.
Medicines used
Frequently asked questions
What is gastrointestinal tract infections?
Gastrointestinal infections are viral, bacterial or parasitic infections that cause gastroenteritis, an inflammation of the gastrointestinal tract involving both the stomach and the small intestine. Symptoms include diarrhea, vomiting, and abdominal pain.
What are the symptoms of gastrointestinal tract infections?
nausea, diarrhea, fever, vomiting, stomach cramps
What causes gastrointestinal tract infections?
bacterial gastrointestinal infections include foodborne infections and food poisoning.; viral gastrointestinal infections are very common, and often people refer to these as the stomach flu.; intestinal helminths, or worms, and protozoan parasites cause parasitic gastrointestinal infections.
Which medicines are used for gastrointestinal tract infections?
ampicillin
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