Dear Dr, I Am Taking Plavix But The Generic, Norvasc

Dear Dr, I am taking plavix but the generic, Norvasc - taking the generic, probable coul not afford the real thing, is this generic the same or am I getting what need, had a light stroke a year age, taking an 81mg aspirin, takaing 10 mil of amlodipine, 75 mil of plavic( generic) taking 12.5 of hydrochorothiazide - think water pill, 10 mill of potassium and benicar, I am concern about my health, is the mizture killing me? I also have a prescp for colestrel med.