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Gastrointestinal Infections

Also known as: Stomach infection, Intestinal infection, Digestive infection Specialty: Infectious Disease

Overview

Gastrointestinal infections affect the digestive tract and are commonly caused by bacteria, viruses, parasites, or contaminated food and water. These infections may range from mild digestive upset to more serious illness requiring medical treatment or monitoring.

Symptoms often develop suddenly and may affect hydration, nutrition, and overall wellbeing. While many infections improve with supportive care, persistent symptoms or severe dehydration should be assessed early.

The goal of care is to identify the cause of infection, support recovery, and reduce complications.

Symptoms

Symptoms can vary depending on the type and severity of infection. You may experience:

  • Diarrhoea or loose stools
  • Abdominal pain or cramping
  • Nausea or vomiting
  • Fever or chills
  • Bloating or digestive discomfort
  • Weakness or dehydration

Some people may also experience loss of appetite or fatigue.

Causes & Risk Factors

Gastrointestinal infections are commonly caused by infectious organisms affecting the digestive tract. You may be at higher risk if you:

  • Consume contaminated food or water
  • Have poor food hygiene exposure
  • Have close contact with infected individuals
  • Have weakened immunity
  • Travel or live in areas with increased infection exposure

These factors can increase the likelihood of digestive infection.

When to Seek Care

You should seek medical advice if you:

  • Have persistent diarrhoea or vomiting
  • Develop fever with digestive symptoms
  • Notice signs of dehydration
  • Experience severe abdominal discomfort
  • Have symptoms that continue worsening

Emergency Symptoms

Prevention

You can help reduce the risk of gastrointestinal infections by:

  • Practising good hand hygiene
  • Drinking safe, clean water
  • Storing and preparing food safely
  • Seeking early treatment for digestive infections
  • Maintaining good nutrition and hydration

Diagnostics Used

To assess gastrointestinal infections, your care team may use:

Support Services

Managing gastrointestinal infections focuses on treating infection and restoring hydration and digestive balance. You may benefit from:

  • Medication and symptom management
  • Hydration and nutritional support
  • Monitoring and follow-up care
  • Referral for advanced digestive or infection care where needed

This approach helps support recovery and reduce complications.

FAQs

What causes gastrointestinal infections?
They are commonly caused by bacteria, viruses, parasites, or contaminated food and water.
Can stomach infections become serious?
Some infections are mild, while others may cause dehydration or complications requiring medical care.
When should diarrhoea or vomiting be assessed?
You should seek care if symptoms are severe, persistent, or associated with dehydration or fever.
Will I need laboratory tests?
Your care team may recommend stool testing or other investigations depending on symptoms and severity.
How can gastrointestinal infections be prevented?
Good hygiene, safe food preparation, and clean drinking water help reduce infection risk.
Get in Touch

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Speak to a Nakasero specialist this week — or call our 24/7 line if you need care right now.

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