Wellbutrin vs. Effexor
See how Wellbutrin and Effexor compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Wellbutrin targets norepinephrine and dopamine, causing less sexual dysfunction and weight gain than Effexor, which targets serotonin and norepinephrine and is FDA-approved for anxiety disorders too.
Wellbutrin carries a seizure risk and is dosed multiple times a day as an immediate-release tablet, while Effexor requires gradual tapering and can raise blood pressure at higher doses.
Generic venlafaxine typically costs far less per month than brand-name Wellbutrin, based on published list prices.
Wellbutrin vs. Effexor Drug Summary
Wellbutrin
Wellbutrin (bupropion) is an aminoketone antidepressant that works by blocking reuptake of norepinephrine and dopamine rather than serotonin. It's FDA-approved for major depressive disorder and taken as an oral tablet, usually two to three times a day as the dose increases.
Effexor
Effexor (venlafaxine) is an SNRI that blocks reuptake of both serotonin and norepinephrine. It's FDA-approved for major depressive disorder, generalized anxiety disorder, social anxiety disorder, and panic disorder, and is typically taken once daily as an extended-release capsule.
Wellbutrin vs. Effexor Side Effects
Wellbutrin
Effexor
Wellbutrin vs. Effexor Dosage
Wellbutrin
Effexor
| STAGE | DOSE | WHEN |
| Starting dose | 200 mg/day (100 mg BID) | Days 1-3 |
| Maximum dose | 450 mg/day (150 mg TID) | If needed |
| Dose changes | 2 increases | Every 3 days |
| STAGE | DOSE | WHEN |
| Starting dose | 37.5 mg once daily | Days 1-7 |
| Maximum dose | 225 mg once daily | If needed |
| Dose changes | 3 increases | Every 7 days |
Wellbutrin
| STAGE | DOSE | WHEN |
| Starting dose | 200 mg/day (100 mg BID) | Days 1-3 |
| Maximum dose | 450 mg/day (150 mg TID) | If needed |
| Dose changes | 2 increases | Every 3 days |
Effexor
| STAGE | DOSE | WHEN |
| Starting dose | 37.5 mg once daily | Days 1-7 |
| Maximum dose | 225 mg once daily | If needed |
| Dose changes | 3 increases | Every 7 days |
Wellbutrin vs. Effexor Indications
Wellbutrin
Wellbutrin is FDA-approved to treat major depressive disorder. It's also used off-label for adult ADHD, as an add-on for bipolar depression, and to counter sexual side effects caused by other antidepressants.
Major depressive disorder (FDA-approved)
ADHD in adults (off-label)
Bipolar depression add-on (off-label)
Antidepressant-induced sexual dysfunction (off-label)
Weight management (off-label)
Effexor
Effexor is FDA-approved for major depressive disorder, generalized anxiety disorder, social anxiety disorder, and panic disorder. It's also used off-label for chronic nerve pain and hot flashes related to menopause.
Major depressive disorder (FDA-approved)
Generalized anxiety disorder (FDA-approved)
Social anxiety disorder (FDA-approved)
Panic disorder (FDA-approved)
Chronic nerve pain (off-label)
Wellbutrin vs. Effexor Pros and Cons
Wellbutrin
Wellbutrin works differently than most antidepressants, targeting norepinephrine and dopamine instead of serotonin, which gives it a lower risk of sexual side effects and weight gain. It's a good fit for people who feel sluggish on other antidepressants, but its seizure risk and multiple daily doses are real trade-offs.
Pros
Low risk of sexual side effects compared with SSRIs and SNRIs
Not linked to weight gain; sometimes used off-label for weight loss
Non-sedating, so less risk of daytime drowsiness or fatigue
No blood pressure monitoring required, unlike higher-dose Effexor
Cons
Carries a seizure risk; contraindicated with seizure or eating disorder history
Not FDA-approved for anxiety disorders and may worsen anxiety in some people
Immediate-release form requires two to three doses a day
Costs roughly $500 to $900 per month without insurance, more than generic venlafaxine
Effexor
Effexor's dual action on serotonin and norepinephrine gives it FDA approval for anxiety disorders as well as depression, and its extended-release form allows once-daily dosing. It carries a higher burden of nausea and sedation, plus blood pressure and sodium level monitoring that Wellbutrin does not require.
Pros
FDA-approved for generalized anxiety, social anxiety, and panic disorder too
Extended-release form allows once-daily dosing
Generic venlafaxine costs roughly $10 to $45 per month, far less than brand Wellbutrin
Long-established off-label option for chronic nerve pain
Cons
Higher rates of nausea, sedation, and sweating than Wellbutrin
Can cause sustained blood pressure increases at higher doses
Requires a gradual taper to avoid discontinuation symptoms
Carries a risk of hyponatremia (low sodium), especially in older adults
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