Bupropion (Zyban)

Bupropion (brand name Zyban) is a medication originally used to treat depression , but it has since been found to help people quit smoking.

It's not clear exactly how it works, but it's thought to have an effect on the parts of the brain involved in addictive behaviour.

Where to get it and how to use it

Bupropion is only available on prescription, so you'll usually need to see your GP or contact an NHS stop smoking service to get it.

It's taken as one to two tablets a day. You should start taking it a week or two before you try to quit.

A course of treatment usually lasts around seven to nine weeks.

Who can use it

Bupropion is safe for most people to take, although there are some situations when it's not recommended.

For example, it's not suitable for:

• children under 18 years of age
• women who are pregnant or breastfeeding
• people with epilepsy , bipolar disorder or eating disorders

Possible side effects

Side effects of bupropion can include:

• dry mouth
• difficulty sleeping (insomnia)
• headaches
• feeling and being sick
• constipation
• difficulty concentrating
• dizziness

Speak to your GP if you experience any troublesome side effects.