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Medicines A–Z

Find clear NHS guidance about medicines, including what they are used for, how to take them, possible side effects and important safety advice.

Browse medicines by letter

Select a letter to open the corresponding part of the official NHS Medicines A–Z directory.

Commonly searched medicines

Quick links to trusted NHS information for medicines patients frequently ask about.

View the complete NHS medicines directory

The NHS Medicines A–Z directory is kept up to date and includes hundreds of medicines, brand names and medicine groups.

Visit NHS Medicines

Need help with your medicines?

Your pharmacist can explain how to use a medicine safely and answer questions about side effects, missed doses and interactions.

Urgent medicine advice

For urgent help that is not a life-threatening emergency, use NHS 111 online or call 111. Call 999 for a severe allergic reaction, breathing difficulty, collapse or another medical emergency.