What Are the Medicines for Nicotine Withdrawal?

There are two types of smoking cessation products: Some contain nicotine, and some don’t. Nicotine replacement therapy products, like gums, lozenges, sprays, and inhalers, work by giving you a small dose of nicotine without all the other dangerous chemicals found in cigarettes. These are generally recommended for lighter smokers.

That way, you can wean yourself off the nicotine and withdrawal isn’t so bad. They don’t stop the cravings, though. Most nicotine replacement products are available over-the-counter.

There are also prescription drugs that don’t use nicotine. They change the way your brain works to ease withdrawal symptoms and make you not want to smoke as much or at all. The FDA has approved two of these products: bupropion (Zyban) and varenicline (Chantix).


Bupropion chloride was originally prescribed as an antidepressant. In 1997, the FDA approved it as the first medication to help people stop smoking, sold under the name Zyban.

It’s not clear exactly how bupropion works. Researchers do know that it blocks some of the chemicals in your brain that react with nicotine to make you feel good when you smoke. This will reduce cravings and ease other withdrawal symptoms.

Bupropion seems to especially reduce irritability and concentration problems. It could also help with the urge to overeat while you’re trying to quit.

Like all smoking cessation products, bupropion is recommended only for people who smoke 10 or more cigarettes a day, or about half a pack. Your doctor will probably have you start taking bupropion 1 to 2 weeks before you plan to quit, so it’ll be fully in your system when the time comes.

Most people take bupropion tablets for 12 weeks. 

Your doctor will start you on a 150 mg tablet in the morning, and may or may not increase this to twice a day. Evidence suggests that once-daily dosing is as effective as taking it twice, with fewer side effects.

Side effects include dry mouth and trouble sleeping, but these problems tend to go away after you take bupropion for about a week. You might have anxiety, constipation, skin irritation, or dizziness.

Tell your doctor if you have a history of seizures because this medication might make you more likely to have a seizure. 

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