Zyban

Special information if you are pregnant or breastfeeding

Zyban has not been tested in pregnant women. If you are pregnant or plan to become pregnant, do your best to quit smoking with the aid of counseling and support before turning to drug therapy. For the sake of the baby, you should avoid smoking or taking nicotine in any other form while pregnant.

Zyban appears in breast milk and could affect a nursing infant. Ask your doctor whether it will be better to discontinue the medication or to stop breastfeeding.

Recommended dosage

ADULTS

The usual starting dose is one 150-milligram tablet in the morning for the first 3 days. After that, take one 150-milligram tablet in the morning and another in the early evening. Keep doses at least 8 hours apart. The maximum recommended dose is 300 milligrams daily.

Continue taking Zyban for 7 to 12 weeks. Your doctor may recommend continuing treatment for up to 6 months.

Kidney and Liver Disease

Your doctor may reduce the frequency of your doses to avoid high blood levels of Zyban. If you have severe cirrhosis of the liver, you should take no more than 150 milligrams every other day.

CHILDREN

The safety and efficacy of Zyban have not been established in children under 18.

Overdosage

Information on Zyban overdose is limited. However, any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.

• Symptoms of Zyban overdose may include:
  Blurred vision, confusion, grogginess, jitteriness, light-headedness, nausea, seizure, sluggishness, visual hallucinations