<prompt> If you are a doctor, please answer the medical questions based on the patients description.My sister has been prescribed divalproex sod er 500mg each 2 tablets in the evening. She seems very subdued and not her normal self. She is also taking bupropion hcl xl 150mg in the evening. When I told the psychiatrist that she had some trouble eating because of her tremors, he prescribed 10mg of propranolol twice daily. What do you think?  <response>: Hello ! I read your question and understand your concern. Divalproex can be the cause of tremor. I would recommend having a plasma level of divalproex to rule out over dosage. Although 1000 mgd is not a high dose. If she stops divalproex the tremor probably will stop. But I would take into account the benefits in seizure control of divalproex. It can be switched also into another Chat Doctor. Propranolol is a 