I am diabetic since 1998. My age is 66 years. Height is 5 F 10 inches Weight 74 Kg; At present I take Glypride 2 mg BD. Galvasmet (50 850) OD, Morning. Roimet 850 mg OD. Poiz 15 mg OD (before dinner). And Winofit OD The BS level 125 Morning and 165 after lunch. The H1AC is 6.9. I feel weakness. Kindly suggested whether it is better to switch on insulin or some other medicines.