Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Cymbalta (duloxetine) and Wellbutrin (bupropion) are both medications used to treat depression, but they have some key differences. Cymbalta is an SNRI (serotonin and norepinephrine reuptake inhibitor) that also treats anxiety, diabetic neuropathy, fibromyalgia, and long-term pain. It works by increasing serotonin and norepinephrine levels in the brain. Wellbutrin, on the other hand, is an atypical antidepressant that is also used for seasonal affective disorder (SAD). It works primarily by boosting norepinephrine and dopamine levels. Cymbalta is typically taken once daily. Wellbutrin is available in different formulations, including immediate-release, sustained-release, and extended-release, which affects how often you take it. Wellbutrin is less likely to cause sexual side effects and weight gain compared to Cymbalta, but it is not suitable for people with a history of seizures or eating disorders. Both medications can take several weeks to show their full effects and have potential side effects, including the risk of suicidal thoughts, especially in younger people. Additionally, both are available in lower-cost generic forms.
Duloxetine (Cymbalta)
Bupropion
Duloxetine (Cymbalta)
Bupropion
Summary of Cymbalta vs. Wellbutrin XL
Summary for SNRI
Prescription only
Duloxetine (Cymbalta) helps treat depression and anxiety. It can also help with some types of chronic pain, such as nerve pain from diabetes. Duloxetine (Cymbalta) is a type of antidepressant called an SNRI, or serotonin and norepinephrine reuptake inhibitor. Most people take it by mouth once a day, but some with depression might take it twice a day. Side effects include nausea, headache, and dry mouth. When it's time to stop taking the medication, the prescriber will slowly lower your dose to help prevent withdrawal symptoms.
Summary for Atypical antidepressant
Prescription only
Bupropion is taken by mouth to treat depression and seasonal affective disorder (SAD). It's available as short-acting tablets that are taken two or three times a day, as well as long-acting versions that are taken once daily. Bupropion has fewer sexual side effects compared to other antidepressants, but it's not a good choice for people with a history of seizures, eating disorders, or drink alcohol regularly.