Compare Paxil vs. Wellbutrin

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Paxil
(paroxetine)

Wellbutrin
(bupropion)

Improves mood and helps you relax. Paxil (Paroxetine) is good for treating depression and anxiety but it causes more weight gain, sleepiness, and withdrawal symptoms than other antidepressants.Improves mood. Wellbutrin (Bupropion) is good for treating depression and has fewer sexual side effects than other antidepressants, but you need to be okay with avoiding alcohol.
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Coupons for Paxil
Best available price for 30 (20mg) tablets of paroxetine
Coupons for Wellbutrin
Best available price for 60 (75mg) tablets of bupropion
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.53Paxil
Reviews for Paxil (paroxetine)
52%
of people (All ages) say Paxil (paroxetine) is worth it
39%
say it works well
24%
say it's a big hassle
694 reviews
Have you used Paxil (paroxetine)?
Worth itNot sureNot worth it
Reviews for Wellbutrin (bupropion)
60%
+8% better vs. Paxil (paroxetine)
40%
+1% better vs. Paxil (paroxetine)
13%
+11% better vs. Paxil (paroxetine)
1164 reviews
Have you used Wellbutrin (bupropion)?
Worth itNot sureNot worth it
Side effects
PaxilWellbutrin
  • Nausea 17%
  • Drowsiness 14%
  • Dry mouth 6%
  • Headache 1%
  • Muscle weakness 9%
  • Constipation 5%
  • Sleep difficulty 7%
  • Ejaculatory disturbance‡§ 13%
  • Dizziness 7%
  • Diarrhea 4%
More Paxil side effects »
  • Agitation 10%
  • Dry mouth 10%
  • Headache/migraine 4%
  • Constipation 9%
  • Nausea/vomiting 4%
  • Excessive sweating 7%
  • Dizziness 6%
  • Tremor 13%
  • Sleep difficulty 3%
More Wellbutrin side effects »
How it works
PaxilWellbutrin
Paxil (Paroxetine) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It increases serotonin activity in the brain, which regulates mood.Wellbutrin (Bupropion) is an atypical antidepressant. Researchers don't know exactly how it works, but it seems to change dopamine and norepinephrine activity in the brain, which regulate mood.
Type of medication
PaxilWellbutrin
Prescription only
Prescription only
Available as
PaxilWellbutrin
  • Pill
  • Extended release tablet
  • Liquid
  • Pill
  • Extended release
Used for
PaxilWellbutrin
Risk factors for serious side effects
PaxilWellbutrin
  • Age 24 years or younger
  • Using other medications that affect serotonin
  • Stopping Paxil (Paroxetine) suddenly
  • Taking other blood-thinning drugs
  • History of bipolar disorder
Detailed Paxil (paroxetine) risks & warnings »
  • Age 24 years or younger
  • History of depression
  • History of bipolar disorder
  • At risk for bipolar disorder
  • Withdrawing from nicotine
Detailed Wellbutrin (bupropion) risks & warnings »
Pregnancy

Research studies with real people found harmful effects on unborn babies, but the benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Alcohol
PaxilWellbutrin
No alcohol related info.
  • Has a higher risk of causing seizures, especially if you have a seizure disorder, eating disorder, or if you drink alcohol. So, it's not a good medication if you drink a lot.
Food
PaxilWellbutrin
  • Take with food to avoid upset stomach.
No food related info.
Kidneys and liver
PaxilWellbutrin
No kidneys and liver related info.
  • Wellbutrin (Bupropion) is processed by the kidney and liver. If you have kidney or liver problems, you may need a different dose to prevent increased risk for side effects.
Sleep
PaxilWellbutrin
  • It causes drowsiness, so it's good for people who have trouble sleeping.
No sleep related info.
Weight
PaxilWellbutrin
  • Can cause weight gain, which can be helpful if you've recently lost weight or have a low appetite.
  • More likely to cause minor weight gain (1 to 5 pounds) or make you feel sick if you miss a dose than other antidepressants.
  • It's less likely to cause weight gain than other antidepressants.
Upsides and benefits
PaxilWellbutrin
  • Effective at relieving depression and anxiety symptoms.
  • Lowers relapse rates of depression and anxiety disorders, including OCD, panic disorder, social anxiety disorder, and generalized anxiety disorder.
  • It causes drowsiness, so it's good for people who have trouble sleeping.
  • Can cause weight gain, which can be helpful if you've recently lost weight or have a low appetite.
  • Six out of ten people who use an antidepressant for the first time find that it works for them.
  • Effective at relieving depression symptoms.
  • Causes fewer sexual side effects than other antidepressants. Can actually boost sex drive for some people.
  • Can be taken with other antidepressants to counteract their sexual side effects.
  • Has some stimulant effects, so it can be energizing.
  • Can help with ADHD symptoms.
  • Also used to suppress appetite and help you quit smoking.
  • Six out of ten people who use an antidepressant for the first time find that it works for them.
Downsides and risks
PaxilWellbutrin
  • Can cause more sexual side effects like low libido and an inability to orgasm or ejaculate than most antidepressants.
  • More likely to cause minor weight gain (1 to 5 pounds) or make you feel sick if you miss a dose than other antidepressants.
  • Can harm an unborn child, so you can't take it if you're pregnant.
  • Like most antidepressants, it can cause a higher risk of suicidal thoughts and behavior for people younger than age 24.
  • The first antidepressant you try doesn't always work or it can cause side effects you really don't like. You might need to try a few different medications until you find one that works for you.
  • Wellbutrin (Bupropion) can be stimulating, so it can cause anxiety or insomnia the first few days you're taking it.
  • Generally not as good as other antidepressants for people who have anxiety.
  • It's less likely to cause weight gain than other antidepressants.
  • Has a higher risk of causing seizures, especially if you have a seizure disorder, eating disorder, or if you drink alcohol. So, it's not a good medication if you drink a lot.
  • It contains the same ingredient as a medication that helps you to stop smoking, (Zyban), so these two meds can't be used together.
  • Like most antidepressants, it can cause a higher risk of suicidal thoughts and behavior for people younger than 24.
  • The first antidepressant you try doesn't always work or it can cause side effects you really don't like. You might need to try a few different medications until you find one that works for you.
Tips from our pharmacists for people taking the medication
PaxilWellbutrin
  • Take with food to avoid upset stomach.
  • Takes about 8 to 12 weeks to see the medication's full effects on your mood.
  • Stop taking it slowly to avoid getting withdrawal symptoms.
  • Tell your doctor if you notice sudden mood changes or unusual thoughts.
  • The controlled-release (CR) tablet can cause less nausea than other forms.
  • Don’t crush, break, or chew the Paxil (Paroxetine) controlled-release tablet or the Pexeva film-coated tablets.
  • It’s best to take Paxil (Paroxetine) in the morning, except Brisdelle, which can be taken at bedtime.
  • Wellbutrin (Bupropion) makes you energized, so take it in the morning to avoid difficulty sleeping later that night.
  • Takes about 8 to 12 weeks to see the medication's full effects on your mood.
  • There are no sexual side effects from this medication.
  • Stop taking it slowly to avoid getting withdrawal symptoms.
  • Tell your doctor if you notice sudden mood changes or unusual thoughts.
  • The extended-release tablet shell can show up unchanged in your stool, but don't worry since the medication was still absorbed by your body.
Learn more
More about PaxilSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Paxil (paroxetine)?
Worth itNot sureNot worth it
More about WellbutrinSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Wellbutrin (bupropion)?
Worth itNot sureNot worth it