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 works in a few ways. It helps your body properly respond to its insulin, reduces glucose production in the liver, and helps block glucose absorption in your intestines. Metformin is a quick-acting oral medicationâyou will typically see some effect within 48 hours of starting the medication.