Traveller's Diarrhoea Treatment
One of the most common health problems travellers face abroad. Our pharmacy-led service supplies prescription antibiotic treatment for severe cases when hydration and over-the-counter remedies aren't enough.
What is traveller's diarrhoea?
Traveller's diarrhoea is usually caused by eating or drinking contaminated food or water and is most common in parts of Asia, Africa, the Middle East and Latin America. Most cases settle within 3–5 days with rest and rehydration, but some travellers develop more severe or persistent symptoms that need treatment.
- Frequent loose or watery stools
- Stomach cramps or abdominal pain
- Nausea and vomiting
- Fever in some cases
Who this service is for
- Adults weighing over 45kg
- Severe symptoms not settling with oral rehydration or OTC remedies
- Severe abdominal pain, vomiting, blood or mucus in stools
- Fever preventing normal activities
When it may not be suitable
- Children or adults under 45kg
- Mild diarrhoea that resolves in 3–5 days
- Allergy to azithromycin, erythromycin, macrolide or ketolide antibiotics
- Pregnant or breastfeeding (unless benefits outweigh risks, after consultation)
- Travel to regions with known high azithromycin resistance
Treatment we can provide
Azithromycin 500mg tablets
How it works: A short course targets the bacterial cause of diarrhoea, helping to reduce both the severity and duration of symptoms.
How to use
- 500mg once daily for 3 days
- Take at the same time each day, with water, with or without food
- If 500mg tablets are unavailable, 6 x 250mg tablets may be dispensed
- Avoid antacids within 1 hour before or 2 hours after your dose
Only use this medicine if necessary — it is not intended for mild or short-lasting diarrhoea. Some medicines interact with azithromycin (e.g. digoxin, colchicine, ciclosporin, or drugs that prolong the QT interval), so tell the pharmacist about anything else you're taking.
Possible side effects
Common side effects include nausea, vomiting or diarrhoea, abdominal discomfort, headache, dizziness and reduced appetite. Rare but serious side effects can include allergic reactions, irregular heartbeat or liver problems. Stop the medicine and seek urgent help if severe symptoms occur.
Important
When to seek medical help
If symptoms persist despite treatment, or you develop blood in stools, severe dehydration or ongoing fever, seek urgent medical attention wherever you are.
Frequently asked questions
Ready when you are
Book your consultation
Speak with our pharmacy team about traveller's diarrhoea treatment. We'll review your travel plans and medical history to help you travel prepared.
Information on this page is general guidance only and does not replace personalised medical advice. Suitability of treatment is confirmed at your consultation with our pharmacist.