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Diazepam

Diazepam is a benzodiazepine sleeping pill. It's also known by the trade names Dialar, Diazemuls, Diazepam Desitin, Diazepam RecTubes, Stesolid and Tensium.

Diazepam is a class C controlled medicine. The National Institute for Health and Care Excellence (NICE) has information about controlled medicines.

The main reliable source of information about this drug is its official Patient Information Leaflet (PIL). This will explain what it can be precribed for, how to take it, possible side effects and key safety information.

This leaflet should come inside the box. Or you can download a PDF version of the PIL for this drug here:

Drugs can come in different forms and doses. You should look at the PIL for the specific form and dose your doctor has prescribed for you.

These websites also have trustworthy information about this medicine:

If you have specific questions about your medication you can:

If you get any side effects from this drug, you can report them to the manufacturer using the Yellow Card scheme. This helps them give better information about it. Visit the Yellow Card scheme website to learn more.

About sleeping pills and minor tranquillisers

This is a broad group of different drugs that cause sedation. This means they slow down something down in your body, like your breathing, heartbeat or thought processes.

They can be prescribed for:

We have more articles explaining what these drugs are, what side effects they can cause, possible withdrawal effects, and comparison tables.

Go to sleeping pills and minor tranquillisers hub

You can also browse our full A–Z of sleeping pills and minor tranquillisers to find others.

More support and advice about medication

Our articles are here to support you:

We also have information on other treatments, like talking therapies and alternative therapies. See all the types of therapy, medication and treatments we cover.

Published: November 2026

Next review planned: November 2029

References and bibliography available on request. If you want to use this content in your own work, see our permissions and licensing page.

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