StayHappi Tranexamic Acid+Mefenamic Acid 500mg/250mg Tablet is a combination medicine used to treat heavy menstrual bleeding and menstrual pain. It prevents the breakdown of blood clots to control excessive bleeding during periods. It also blocks the production of certain chemical messengers that cause pain and inflammation. You can take StayHappi Tranexamic Acid+Mefenamic Acid 500mg/250mg Tablet at any time of day, with food, but it is best to take it at the same time each day. It should be ... Tranexamic Acid + Mefenamic Acid used in the treatment of heavy menstrual bleeding and menstrual pain. View uses, side effects, substitute medicines, dosage, related questions and expert advice. Trenaxa M F (250/500 mg) Tablet is a combination medicine of Mefenamic acid and Tranexamic acid. Mefenamic acid is a non-steroidal anti inflammatory drug (NSAID) that provides relief from menstrual pain by blocking the release of a chemical called prostaglandins, which increases pain and swelling. Trenaxa MF tablet is used for relieving pain and cramps in the lower abdomen before & during menstrual periods and reducing heavy bleeding during menstrual. It is a combination medicine containing tranexamic acid and mefenamic acid.