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.
Metformin is generally well tolerated. Common side effects include diarrhea, nausea and abdominal pain. It has a low risk of developing low blood sugar. High blood lactic acid level is a concern if the drug is prescribed inappropriately and in overly large doses.