Interactions
Some medicines, foods and supplements can affect how each other work. A pharmacist can check for possible interactions.
- Updated August 2026
- Clinical review pending
- 1 source
At a glance
- Medicines can interact with other medicines, foods and supplements.
- A pharmacist can check before you combine them.
On this page (2 sections)
Overview
Some medicines — including those you can buy without a prescription and some supplements — can affect how other medicines work [1].
Staying safe
Before combining medicines, or starting something new, a pharmacist can check for possible interactions and advise you [1].
Sources
- NHS. Medicines A to Z (opens in new tab) Accessed 12 August 2026.
About this page
- Written by
- Consumer Health editorial team
- Medical review
- Pending — this page has not yet been reviewed by a named clinician. Read our medical review policy.
- Last updated
- August 2026
- Next review due
- August 2027
Important: This information is for general guidance only and does not replace professional medical advice. It is not intended to diagnose or treat any condition. Always speak to a qualified healthcare professional — such as your GP or pharmacist — for advice about your individual circumstances, and do not start, stop or change any prescribed treatment based only on this page. If you think you are having a medical emergency, call 999. Consumer Health is an independent health-information resource and is not the NHS or a government body.
Was this page helpful?Your feedback helps us improve.