Wellbutrin xl dosage change

Patient: I am taking 300 mg of wellbutrin xl and my doctor prescribed me to take 450 mg of wellbutrin xl. Do i take the two pills together 300 mg and the 150 mg together at the same time?

Doctor: You need to take a total of 450 mg . You thus can take one pill of 300 mg and one of 150 mg for a total of 450 mg togeth er. I hope this helps.