Heat safety
Heat and medication
Short answer
Some medicines can affect hydration, sweating, alertness or temperature regulation, but do not stop prescribed medicine without professional advice.
What to do
- ✓Continue medicines as prescribed.
- ✓Check storage instructions.
- ✓Ask a pharmacist or clinician about individual risk.
- ✓Follow existing advice if your fluids are restricted.
Why it works
This advice follows NHS Specialist Pharmacy Service guidance and the underlying principles of medication and dehydration.
Important exceptions
This page cannot diagnose anyone. Follow the linked health guidance and seek urgent help for emergency symptoms.
Sources & evidence
Reviewed 2026-08-21
- NHS Specialist Pharmacy Service: Heatwaves and medicines: assessing and managing patient risk ↗
Supports: Medicine-related heat risk, storage, hydration and the need for individual clinical advice.
health guidance · Accessed 2026-08-21