What are the side effects of taking the drug metformin?

Metformin oral tablet doesn't cayse drownsidess but may cause a low blood sugar reaction. Commonly reported side efffects include lactic acidosis, diarrhea, nausea, nausea and vomitting and flatulence. Other effect include; asthenia and decreased vitamin b12 serum concentration. 

Hiv can be transmitted through oral sex. you can get hiv through vaginal fluid and semen. if you have an open sore or cut in or near your mouth and an you get the semen or vaginal fluid of an infected person in those cuts or sores, you can get hiv