Travel Health

Sun Safety Abroad: UK Online Doctor Guide to SPF & Sunburn

6 min readLast reviewed 24 April 2026

Educational information — not medical advice.

This article was prepared by the OnlineDoctor24 editorial team and reviewed for factual accuracy against UK clinical guidance (NHS and NICE). It is not written by a doctor and does not replace personal medical advice. For symptoms specific to you, book an online doctor consultation.

Key points

  • Use SPF 30+ broad-spectrum daily on exposed skin abroad.
  • Reapply every 2 hours and after swimming.
  • Severe sunburn can blister and require medical care.
  • Children and fair skin types need extra protection.

Choosing sunscreen

  • SPF 30+ for travel, SPF 50 for high UV index.
  • Broad-spectrum (UVA + UVB).
  • Water-resistant for swimming.
  • Apply 15 min before sun exposure; one teaspoon per limb.

Beyond sunscreen

  • Hat with brim, UV-protective sunglasses.
  • UPF clothing for prolonged exposure.
  • Avoid sun 11am–3pm where possible.

Treating sunburn

  • Cool baths, aloe vera, after-sun lotion.
  • Ibuprofen for inflammation.
  • Hydrate well.
  • Don't pop blisters; cover loosely.
  • Severe blistering, fever or large area — see a doctor.

Red flags — when to seek urgent help

Call 999 or go to A&E if you experience any of the following:

  • Sunburn with fever, headache, dizziness (heatstroke)
  • Extensive blistering
  • Signs of infection in sunburn

Frequently asked questions

Common questions UK patients ask about sun safety while travelling.

How an online doctor can help

This article is for general information only and does not replace personal medical advice from a qualified doctor. Content is reviewed against UK NHS and NICE guidance by the OnlineDoctor24 editorial team and is not authored by a medical doctor. If your symptoms worsen or you are unsure, please book a consultation with a GMC-registered GP.

See a UK GP about this today

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