Strengths are listed in milligrams (mg). Forms and strengths Generic bupropion • oral immediate-release tablet: 75 mg, 100 mg • oral extended-release tablet: 100 mg, 150 mg, 200 mg ...

Moderate to severe hepatic impairment: max 75mg once daily. Renal or mild hepatic impairment: consider reduced dose and/or dose frequency. Switching to Wellbutrin XL: give same total daily dose.

The Wellbutrin dosage range for depression can be between 75 mg and 150 mg per single dose, depending on your needs. However, there isn’t much research on bupropion dosage for anxiety symptoms.