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About temazepam

Temazepam belongs to a group of medicines called benzodiazepines.

It's used to treat sleeping problems (insomnia).

It can also be taken to help you relax before an operation or other medical or dental treatments. This is known as a pre-med.

It works by increasing the levels of a calming chemical in your brain called gamma-aminobutyric acid (GABA).

It comes as tablets or as a liquid that you swallow.

Temazepam is available on prescription only.

Key facts

  • Temazepam usually starts to work after around 30 minutes. The effect lasts for around 7 to 8 hours.
  • The most common side effects of temazepam include feeling drowsy or lightheaded, and having a dry mouth.
  • It's not recommended to use temazepam for longer than 4 weeks. If you take it for too long it's possible that you could get addicted.
  • If temazepam affects your eyesight or makes you feel sleepy, dizzy or confused, do not drive, ride a bike, or use tools or machines until you feel OK again.
  • Do not drink alcohol when taking temazepam. It can make you sleep very deeply. You may have breathing problems and difficulty waking up.

Page last reviewed: 3 February 2022
Next review due: 3 February 2025