Block 5. CASE 5. Gabatino-Labra. CASE 5. Patient is a known schizophrenic maintained on Chlorpromazine 100 mg per orem 2x/day for 6 months . Two weeks prior to consult, he was prescribed Propranolol 40 mg/tablet 2 tablets 3x/day. QUESTION. What caused the symptoms of the patient?.
typically degraded by the liver by the action of cytochrome-P450 family enzymes, usually CYP2D6
4-hydroxy propranolol is a weak inhibitor of CYP2D6