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Important Disclaimer
These statements have not been evaluated by the Food and Drug Administration (FDA). Compounded products are not FDA-approved and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary. The information provided is for educational purposes only and should not be considered medical advice. Always consult with your healthcare provider before starting any new treatment.
Clinical Information
Evidence-based details for healthcare providers
Use as directed by your healthcare provider. Swallow whole; do not crush or split. If you miss a dose, take it as soon as you remember unless it's close to your next dose. Do not double up on doses. Your healthcare provider will decide how long you should keep taking the medication.
Bupropion blocks the re-uptake of two brain chemicals, norepinephrine and dopamine. This keeps more of these chemicals active between nerve cells, which can lift mood and increase energy. Some people feel a small boost within the first week, but it often takes 2–4 weeks to notice clear improvement. One XL tablet lasts about 24 hours, so levels stay even throughout the day.
Do not use if you have a seizure disorder or a history of seizures (may raise seizure risk). Do not use if you have an eating disorder such as bulimia or anorexia nervosa (higher seizure risk). Do not use if you have used an MAOI antidepressant in the last 14 days (risk of dangerous blood pressure changes). Avoid if you suddenly stopped heavy drinking, benzodiazepines, or seizure medicines (higher seizure risk). Do not use if allergic to bupropion. Not recommended if you are pregnant or breastfeeding unless your provider decides the benefit is greater than the risk.
Serious: MAOI drugs like phenelzine (Nardil) – wait at least 14 days between medicines. Other products containing bupropion (Zyban, Aplenzin) – may cause overdose. Strong CYP2B6 inhibitors (e.g., ticlopidine, clopidogrel) can raise bupropion levels; provider may lower dose. Carbamazepine and ritonavir can lower bupropion levels, reducing effect. Alcohol can increase seizure risk; limit or avoid. Stimulants (amphetamine) may raise blood pressure. Tell your provider about all prescription, over-the-counter, and herbal products, including St. John’s wort and ginkgo.
Very common (more than 1 in 10): dry mouth (up to 35%), insomnia (up to 33%). Common (1–10 in 100): nausea, dizziness, headache, sweating, anxiety, fast heartbeat, tremor, weight loss. Uncommon (1–10 in 1,000): high blood pressure, ringing in ears, rash. Rare but serious (less than 1 in 1,000): seizures (about 0.4% at 300 mg/day), severe allergic reaction (swelling, hives), thoughts of self-harm, eye pain from angle-closure glaucoma. Most mild side effects ease after the first few weeks. Contact your provider right away if you have seizures, severe rash, chest pain, or mood changes.
Store at room temperature (68-77 °F, 20-25 °C). Keep tablets in their original blister or bottle, tightly closed. Protect from moisture and direct light. Do not store in a bathroom or hot car. Keep out of reach of children and pets. Safely dispose of unused or expired tablets through a pharmacy take-back program or mix with unwanted coffee grounds or cat litter in a sealed bag before placing in household trash.
Frequently Asked Questions
How long does it take for Bupropion XL to start working?
Some people feel a little more energy or better sleep in the first week, but it usually takes 2–4 weeks to notice a clear mood lift. Keep taking it every day even if you do not feel better right away.
Can I split or crush the XL tablet to make it easier to swallow?
No. The XL tablet has a special coating that releases the medicine slowly over 24 hours. Crushing, chewing, or splitting it can release the full dose at once and raise the risk of side effects like seizures.
What should I do if I feel wired or can’t sleep after taking my dose?
Taking the tablet in the morning instead of later in the day often helps. Avoid caffeine after noon. If insomnia continues longer than two weeks, let your healthcare provider know so they can adjust your plan.
Is it safe to drink alcohol while on Bupropion XL?
Drinking alcohol can increase the chance of seizures and may make mood symptoms worse. If you choose to drink, keep amounts very low and never binge. Talk with your provider about safer limits for you.
What happens if I miss a dose?
Take the missed dose as soon as you remember unless it is within 8 hours of your next scheduled dose. If it is close to your next dose, skip the missed one. Do not take two tablets at the same time.
Can Bupropion XL cause weight loss?
Some people lose a small amount of weight because the medicine can lower appetite. Average loss is less than 5 pounds. Tell your provider if you notice rapid or unwanted weight changes.
Is Bupropion XL safe during pregnancy?
Tell your provider if you are pregnant, planning to become pregnant, or breastfeeding. Bupropion may pose some risks to the baby, but untreated depression also has risks. Your provider will help you weigh the benefits and risks.
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