My mother went for a chek up yesterday to two doctors, cardiologist and neuro, she is having shpertenstion and nerves problem in hands,right is more affected with pain and numbness in two fingers.they prescribed tolol am 50,betacap 20 and pregabid me 75, yesterday night she had one tablet each.nw she is feling sleepy ndifficulty in walking means she may fell down.answer the uses of these tablets and best doses, her bp was 160/100 yestrday.