I Am Currently Taking Amlodipine 10 Mgs, Chlorthalidone 50 Mgs

I am currently taking amlodipine 10 mgs, chlorthalidone 50 mgs , I was switched from Nisoldipine 20 mgs, about a week ago, because I could no longer afford it with out insurance, what I am taking now does not work too good, blood pressure is running at the lowest 148/84, highest at 158/96, looking for something stronger to take in the calcium channel blockers, generic, tried lisinopril before increased blood sugar levels, was on for years