What should you know about tranexamic acid for pain?

This medicine helps the blood clot more effectively at the lining of the womb, so less blood is lost during a period. Pain from womb contractions is driven by a different process, so bleeding may improve while cramps remain. If pain is your main concern, a clinician may discuss pain-specific options and check for causes such as endometriosis, fibroids, or infection.

Tranexamic acid may be relevant when pain occurs alongside unusually heavy bleeding, but it is not a general painkiller. It is commonly taken only during the bleeding part of the cycle, according to the prescribed instructions.

Describe both the amount of bleeding and the pattern of pain. Note when the pain begins, whether it affects daily activities, and whether you have clots, bleeding between periods, or pain during sex. Use tranexamic acid only if it has been recommended for you, and follow the product directions rather than changing the dose yourself.

Tell the prescriber about previous blood clots, clotting disorders, kidney problems, vision changes, pregnancy, and other medicines, including hormonal contraception. The material page on [Tranexamic Acid](/materials/tranexamic-acid/) explains its general use. Related care includes [Tranexamic Acid for Heavy Bleeding](/treatments/medical-gynaecology/tranexamic-acid-for-heavy-bleeding/).

Seek urgent medical help for sudden chest pain, trouble breathing, coughing blood, one-sided leg swelling or pain, or a sudden change in vision while taking tranexamic acid. Arrange a prompt assessment for severe or worsening pelvic pain, faintness, fever, unusual discharge, or bleeding that does not settle.

Could my pain need a treatment other than tranexamic acid? What bleeding pattern should I record? Do my medical history or medicines affect whether this treatment is suitable?