There are five drugs available in the USA with class-1 studies for PAM – propranolol, amitriptyline, topiramate, valproate and gabapentin ... 120, 160 mg caps 160–240 mg q.d. Timolol ...

160 mg caps 160–240 mg q.d. Timolol – generic 5, 10, 20 mg tablets 10–15 mg b.i.d. or 20 mg q.d. Divalproex sodium – Depakote®, Depakote® ER 125, 250, 500 mg tablets; 125 mg sprinkle ...