Question 1

Can Zyban cause weight gain or weight loss?

Accepted Answer

Zyban may cause loss of appetite (anorexia) in some people, leading to mild weight loss. Weight gain is not typical.

Question 2

What should I do if I miss a dose and experience side effects?

Accepted Answer

If you miss a dose, skip it and take the next at the usual time. Do not double up. If you have side effects, they are unlikely to be related to a missed dose.

Question 3

Can I drive if I experience dizziness or tremor?

Accepted Answer

If you feel dizzy, light‑headed, or have tremor that affects your concentration, do not drive or operate machinery until you feel safe.

Question 4

Is it safe to take Zyban with other medications?

Accepted Answer

Some medicines interact with Zyban (e.g., antidepressants, antipsychotics, theophylline, tramadol). Always inform your doctor about all medicines you take.

Question 5

How common is insomnia with Zyban?

Accepted Answer

Insomnia is very common, affecting more than 1 in 10 people. It can often be managed by taking the second dose earlier in the day.