{"id":632875,"date":"2025-07-15T17:29:09","date_gmt":"2025-07-15T21:29:09","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=632875"},"modified":"2025-07-15T17:29:09","modified_gmt":"2025-07-15T21:29:09","slug":"bupropion-smoking-cessation-dose","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/bupropion-smoking-cessation-dose\/","title":{"rendered":"Bupropion smoking cessation dose: How much Zyban to take"},"content":{"rendered":"

Bupropion<\/span><\/a> is a prescription medication that affects chemicals in the brain linked to mood and cravings. It\u2019s used to treat a range of conditions, including depression, seasonal mood changes, and even to support smoking cessation. Not all forms of <\/span>bupropion<\/span><\/a> are the same, and the dosage and purpose can vary depending on the specific product. For example, <\/span>Wellbutrin XL<\/span><\/a> (bupropion) is a common bupropion product that\u2019s approved by the Food and Drug Administration (FDA) to treat major depressive disorder (MDD) and seasonal affective disorder. <\/span>Zyban (bupropion SR)<\/span><\/a> is a sustained-release version of bupropion that\u2019s specifically approved to help people <\/span>quit smoking<\/span><\/a>. In this article, we\u2019ll focus on Zyban and how it works to help people stop smoking, how it\u2019s typically prescribed, and what side effects to keep in mind.\u00a0<\/span><\/p>\n

How does Zyban (bupropion SR) help you quit smoking?<\/span><\/h2>\n

The exact way Zyban helps people quit smoking isn\u2019t fully understood, but most research suggests it works by reducing cravings and easing withdrawal symptoms. Nicotine from tobacco activates reward centers in the brain, which can lead to addiction. <\/span>Cooper Stone<\/span><\/a>, DO, a psychiatrist in Philadelphia, explains: \u201cBupropion is thought to work by acting on the receptors and chemicals in the brain that produce the urge to smoke. Specifically, it does so by modulating the neurotransmitters and receptors related to dopamine, norepinephrine, and nicotine.\u201d<\/span><\/p>\n

Cravings are the strong urges to smoke, and <\/span>withdrawal symptoms<\/span><\/a> are the mental and physical effects that happen when you stop using something you\u2019re addicted to. Common withdrawal symptoms from quitting smoking include irritability, restlessness, anxiety, and a larger appetite.\u00a0<\/span><\/p>\n

Products like nicotine patches and gum help people quit smoking by delivering nicotine without smoking, giving the body time to adjust. Unlike other smoking cessation methods, Zyban doesn\u2019t contain nicotine to help people quit smoking. Instead, it affects some of the same brain pathways as nicotine, particularly those involving dopamine and norepinephrine. This helps reduce cravings and withdrawal symptoms, making it easier to quit smoking by removing the need for nicotine.<\/span><\/p>\n

How to use bupropion to quit smoking<\/span><\/h2>\n

Bupropion is prescribed slightly differently for smoking cessation than it is for depression. According to the prescribing information, treatment should begin one to two weeks before your planned quit date.<\/span><\/p>\n

Patients are recommended a lower dose (150 mg daily) for the first three days. Then, the dose will be increased to 150 mg twice a day, taken at least eight hours apart. Most people stay on this dose for about seven to 12 weeks, depending on their treatment plan.\u00a0<\/span><\/p>\n

If you\u2019re considering quitting smoking, it\u2019s important to work with your healthcare provider to build a personalized plan that supports your goals. Starting bupropion about a week before your quit date can improve your chances of success. You may still experience withdrawal symptoms, and your care team can help manage them. For example, therapists who specialize in substance use disorder can help with the mental and emotional challenges of quitting, and a nutritionist can help manage appetite changes or weight gain.<\/span><\/p>\n

Your healthcare provider may also recommend <\/span>additional support<\/span><\/a>, such as nicotine replacement therapy or sleep aids, to manage bupropion-related side effects.<\/span><\/p>\n

For more tips and tools to quit smoking, see <\/span>SmokeFree.gov<\/span><\/a>. The website is created by the National Cancer Institute (NCI) and offers a <\/span>Build My Quit Plan<\/span><\/a> tool.<\/span><\/p>\n

Bupropion side effects and warnings<\/span><\/h2>\n

The most common <\/span>side effects of bupropion<\/span><\/a> are dry mouth and sleep disturbances. Using a lower dose may reduce the likelihood of these effects. People who have trouble sleeping on bupropion may find relief by taking their second dose of the day a little earlier, away from bedtime (but still at least eight hours after the first dose of the day).<\/span><\/p>\n

Other common side effects of bupropion include headache, dizziness, nausea, constipation, sore throat, appetite and weight loss,\u00a0 and skin rashes.\u00a0<\/span><\/p>\n

\u201cThe side effects often get better over time. They are most common during the first couple of weeks. However, if they don\u2019t go away, talk to your healthcare provider,\u201d says Jeffery Chester, DO, medical director of the <\/span>Ohana Luxury Addiction Treatment Center<\/span><\/a> in Kailua Kona, Hawaii.\u00a0<\/span><\/p>\n

Although less common, bupropion can also cause serious side effects such as:\u00a0<\/span><\/p>\n