Tranexamic acid is a man-made form of an amino acid (protein) called lysine. Tranexamic acid prevents enzymes in the body from breaking down blood clots. Lysteda is used to treat heavy menstrual bleeding. This medication will not treat premenstrual syndrome (PMS). Tranexamic acid may also be used for purposes not listed in this medication guide.
Lysteda has a form of man-made proteins called lysine and is used in the treatment of heavy bleeding during monthly periods. This is verified by the presence of tranexamic acid which holds back specific enzymes in the body from breaking down blood clots and, therefore, promotes the clotting of blood reducing bleeding due to heavy menstruation.