Zyban is prescribed to patients who want to stop smoking. Zyban helps by reducing some of the desire to smoke and relieving addiction, but it does not contain nicotine. Zyban can cause harmful side effects like seizures and harm to unborn babies. Zyban can cause suicidal thoughts in some patients.
Zyban can help people stop smoking, but it also puts them at risk for seizures, suicidal thoughts, harmful drug interactions and allergic reactions.
Don’t take Wellbutrin, a drug that treats major depressive disorder, if you take Zyban. The two drugs together can cause an overdose of medication and lead to a seizure.
Also, Zyban is in the FDA’s pregnancy category C, which means it can cause injury to unborn and nursing babies.
Zyban is for people who want to stop smoking. Zyban can help decrease the desire to smoke and relieve some of the cravings for cigarettes and nicotine. Zyban contains the same active ingredient found in Wellbutrin, a common anti-depressant medication. Wellbutrin is for people with major depressive disorder, which is characterized by fatigue, depressed mood, loss of interest in usual activities, weight changes and suicidal thoughts or behaviors.
- suicidal thoughts and behaviors
- seizure
- injury to unborn and nursing babies
- impaired thinking and coordination
- dangerous allergic reactions
Contact your doctor immediately if you become pregnant. Zyban can cause injury or death to an unborn or nursing baby. Contact your doctor immediately if you experience:
- an increase in suicidal thoughts and behaviors
- abnormal mood swings
- dizziness
- difficulty breathing
- swelling of the face, mouth and throat
- rash
- hives
- panic attack








