Avandamet (generic: metformin/rosiglitazone) is a prescription medication used to treat type 2 diabetes in adults. It is a single tablet containing two different prescription medications, metformin and rosiglitazone. Metformin belongs to a group of drugs called biguanides, which cause the liver to make less glucose.  Rosiglitazone belongs to a group of drugs called thiazolidinediones, which increase the body's sensitivity to insulin to help control blood glucose levels. 

Avandamet comes as a tablet taken by mouth with meals as directed by your doctor.

Common side effects of Avandamet include diarrhea, nausea, upset stomach, cold-like symptoms. Do not drink alcohol while taking this medication.