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Some mental health medications increase sensitivity to hot weather, which is increasing in frequency and severity due to climate change, impacting wellbeing.

• Updated: 12 November 2025

Updated product information and packaging will help patients better understand the risks of dependency, addiction, and withdrawal with these medicines.

• Updated: 8 January 2026

The MHRA has reviewed the warnings regarding addiction, dependence, withdrawal, and tolerance for gabapentin, pregabalin, benzodiazepines, and z-drugs. The findings (detailed in the Public Assessment Report) were that it was necessary to strengthen these warnings in the product information and...

• Updated: 8 January 2026

Potential effects on performance of prescription and or over the counter drugs.

• Updated: 28 October 2005

How to get information including patient information leaflets (PILs), details on how the medicine can be used (SmPCs) and scientific reports (PARs).

• Updated: 19 December 2019

Information on carrying medicine containing controlled drugs for individual travellers entering or leaving the UK.

• Updated: 11 April 2023

• Updated: 3 December 2020

Information for patients, healthcare professionals and developers of new medicines

• Updated: 10 August 2022

The Medicines and Healthcare products Regulatory Agency regulates medicines, medical devices and blood components for transfusion in the UK. MHRA is an executive agency, sponsored by the Department of Health and Social Care .

• Updated: 25 June 2025

Pharmacy (P), prescription-only (POM), and general sale list (GSL) medicines: apply to move your medicine to a different classification.

• Updated: 5 November 2025