Metformin Hydrochloride and 7 months

I have been on Metformin for 6-7 months 500mg 2 x daily, and have puffed up like a balloon with significant weight gain of at least 45lbs., no desire to do anything physical as I have no energy,stomach upset and increased bowel movements, flatulence and absolutely no sex drive. I am going to discuss this with my doctor but before I do in their any other medications other then Glipizide for type 2 diabetes? I keep putting on weight like I am my blood sugar will be way out of control.

I have had severe boughts of diahrrea. I never noticed a problem until my doctor put me on lisonpril along with metformin and flouxetine. I was diagnosed with polycystic ovarian syndrome and was placed on metforming and flouxetine and now the doctor was concerned with my blood pressure fluctuating to the higher side and so he suggested the bp medication. I talked with the doctor about this diahrrea and they suggested I take my meds at a different time during the day and for a week and see if there is a change? If anyone else has had diarrhea like severe, please contact me