- TX MF 500 mg/250 mg Tablet is a combination of two drugs, namely: Tranexamic acid and Mefenamic acid. TX MF 500 mg/250 mg Tablet is used to treat abdominal pain, dysmenorrhea (period pain), and menorrhagia (heavy menstrual bleeding).TX MF (250/500 mg) Tablets 30’s KShs2,700.00in TX MFSku: TX-0000001