A member asked:

Mucinex (guaifenesin) dm contains 20 mg of dm in each 4hr dose, delsym's 12hr has 30mg. is that too much if i take bupropion among other meds (no maoi).

A doctor has provided 1 answer
Dr. Matt Wachsman answered

Specializes in Internal Medicine

You should prob.not: take those two together. bupropion hcl oral and dextromethorphan hbr oral bupropion hcl oral will increase the level or effect of dextromethorphan hbr oral by altering drug metabolism. and high levels of buproprion cause seizures (bad).

Answered 3/11/2019



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