Travellers' Diarrhoea
Quick, practical advice and recommended treatments for travellers' diarrhoea from your local pharmacy.
Hintons Pharmacy - Helping the local community in Watford, Bushey, Aldenham, Garston, Radlett, Abbots Langley and beyond.
Practical prevention and immediate actions
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Travellers' diarrhoea is commonly caused by contaminated food or water and often starts suddenly. Most cases are mild and resolve in a few days with simple measures: rest, fluids and oral rehydration solutions to prevent dehydration. Over-the-counter anti-diarrhoeal medicines can reduce symptoms for short trips; antibiotics are reserved for more severe or persistent cases and should be used only after advice. Good hygiene and careful food choices significantly reduce risk. Seek professional help if diarrhoea is bloody, very frequent, accompanied by high fever, or if dehydration develops.
Carry anti-diarrhoeal medicine
Use oral rehydration solutions
Choose safe food and drinks
Seek advice for severe symptoms
Immediate steps to manage symptoms
Managing Symptoms While Travelling
If you develop travellers' diarrhoea, start by staying hydrated using water and oral rehydration salts to replace lost fluids and electrolytes. Avoid sugary or caffeinated drinks that can worsen symptoms. Over-the-counter loperamide can help control urgent diarrhoea for short journeys, but it should not be used if you have high fever or bloody stools. Probiotics may provide some benefit for prevention or recovery but results vary. Always check medication suitability if you have underlying conditions, are pregnant, or are travelling with young children. Visit a healthcare professional if symptoms worsen or fail to improve.
What to pack for peace of mind
Travel Kit Recommendations
A basic travel health kit for trips to areas with higher risk of diarrhoea should include oral rehydration salts, an over-the-counter anti-diarrhoeal like loperamide, antiseptic hand gel, and simple pain relief. If you have specific medical needs, pack prescription medicines and a copy of your prescriptions. Consider travel insurance that covers medical care abroad. For longer or remote trips, speak to a pharmacist or travel clinic about antibiotic options for severe diarrhoea, vaccinations, and other personalised precautions before you go.
Key Points
Travellers' diarrhoea is common but usually manageable with prompt self-care: stay hydrated, use oral rehydration solutions, and use anti-diarrhoeal medicines for symptom control when appropriate. Prevention through careful food and water choices and good hand hygiene is effective. Consult a pharmacist for over-the-counter options and when to see a doctor. Seek immediate care for severe symptoms such as bloody diarrhoea, persistent high fever, repeated vomiting, or signs of dehydration like dizziness, reduced urine output, or extreme thirst.
Bring oral rehydration salts
Practice safe food choices
Seek pharmacist advice early
Watch for dehydration signs
Medications
Common OTC options and when to use them.
Rehydration
How and why to use oral rehydration solutions.
When to Seek Help
Warning signs that need medical attention.
Simple prevention saves hassle
Preventing Travellers' Diarrhoea
Avoid raw or undercooked foods, stick to bottled or treated water, and wash hands frequently with soap or use hand sanitizer. Be cautious with street food, salads and unpeeled fruits. When in doubt, choose hot, freshly cooked meals and sealed beverages. Vaccinations and pre-travel advice can reduce risk for some destinations. Good habits while travelling significantly cut the chance of getting sick and help you enjoy your trip with less interruption.
Frequently Asked Questions
Answers to common concerns about travellers' diarrhoea and treatment.
What causes travellers' diarrhoea?
Most cases are caused by bacteria, viruses or parasites in contaminated food and water. Bacterial infections are the most common cause.
Can I use anti-diarrhoeal medicine while travelling?
Yes — loperamide can reduce symptoms for short trips but avoid it with high fever or bloody stools. Check suitability if pregnant or with other conditions.
When should I see a doctor?
Seek medical help for severe symptoms: persistent high fever, bloody diarrhoea, severe dehydration, repeated vomiting, or if symptoms last more than a few days.
Are antibiotics needed?
Antibiotics are reserved for moderate to severe bacterial diarrhoea and usually require healthcare advice. They are not routinely needed for mild cases.
How can I prevent it?
Practice safe eating and drinking habits, use hand hygiene, and carry oral rehydration salts. For some destinations, seek pre-travel healthcare advice about vaccines and prophylaxis.