Returning Traveller Illness: Common Questions Answered
Returning Traveller Illness: straight answers to the questions people actually ask, with the figures behind them.
Illness developing during or after travel, and what needs urgent assessment.
Key takeaways
- Fever after a malaria area: urgent, up to 12 months after return
- Always mention: where you travelled and when
- Most useful single change: Tell any clinician where you have been and when, unprompted.
- Commonest mistake: Assuming a fever after travel is an ordinary virus.
- See a doctor if any of the signs under "When to speak to a doctor" below apply to you.
What is Returning Traveller Illness?
Illness developing during or after travel, and what needs urgent assessment.
Why does it matter?
A fever after travel is a different clinical problem from a fever at home, and the travel history is the thing that changes it.
Fever after a malaria area for Returning Traveller Illness?
Urgent, up to 12 months after return.
Always mention for Returning Traveller Illness?
Where you travelled and when.
Persistent diarrhoea for Returning Traveller Illness?
Needs stool testing for parasites.
Incubation periods for Returning Traveller Illness?
Vary from days to months.
What is the single most useful thing to do?
Tell any clinician where you have been and when, unprompted.
What is the most common mistake?
Assuming a fever after travel is an ordinary virus.
When should I see a doctor?
See a doctor urgently for fever within twelve months of returning from a malaria area, and attend A&E if you cannot be seen the same day. Seek urgent help for fever with confusion, a rash that does not fade under pressure, severe headache, breathlessness, jaundice, or bleeding. Always state your travel history.
Where to go next
- Starting Out With Returning Traveller Illness
- Returning Traveller Illness at a Glance
- Returning Traveller Illness — the reference entry
- Travel Vaccinations: What the Evidence Actually Says
- What the Guidance Really Says About Malaria Prevention
When to speak to a doctor
See a doctor urgently for fever within twelve months of returning from a malaria area, and attend A&E if you cannot be seen the same day. Seek urgent help for fever with confusion, a rash that does not fade under pressure, severe headache, breathlessness, jaundice, or bleeding. Always state your travel history.
Where this comes from
How this page was put together
Every figure, recommendation and warning above is taken from the guidance named in Where this comes from. Nothing on this page is inferred, summarised or generalised beyond what those bodies publish: where they give a number, it is their number, and where they are silent, so are we. Pages are rebuilt whenever the underlying record changes. Sign-off by a named clinician, where it has happened, is shown at the top of the page along with the date.
Medical disclaimer
This article is general information, not medical advice. It cannot account for your own history, medication or circumstances. Always speak to a GP, pharmacist or another qualified health professional before making changes that affect your treatment, and never delay seeking medical advice because of something you have read here. In an emergency, call 999.
Spotted something wrong? Report an error on this page. We correct on the page and say what changed.