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 Stacy Wiegman, PharmD, Pharmacy, answered. The most common and less serious side effects of metformin are bloating, gas, stomach pain, weakness, diarrhea, constipation, heartburn, sneezing, headaches, cough, flushing of the skin, vomiting, runny nose, nausea and muscle pain.