teratoma. malignant teratoma. 1. a solid, malignant ovarian tumor resembling a dermoid cyst but composed of immature embryonal and/or extraembryonal elements derived from all three germ layers. 2. teratocarcinoma.
A: Metformin is an oral diabetes medication that helps control blood glucose (sugar) levels. It is used to treat type 2 diabetes, either alone or in combination with insulin or other medications. Common side effects include headache, weakness, mild nausea, vomiting, diarrhea, gas, and stomach pain.
A MediGuard answered. Metformin is excreted primarily through your kidneys. When your kidneys are not working well, metformin can build up in your body and cause a condition called lactic acidosis. Lactic acidosis is a build up of acid in the body which can be life threatening.