Tranexamic Acid


This drug is used to treat abnormally long or heavy bleeding during the menstrual periods in women.

It is also used to prevent bleeding due to the breakdown of fibrin which is required for clotting.

IUPAC name: 4-(aminomethyl)cyclohexane-1-carboxylic acid

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Drug class: Antifibrinolytics

Is it a drug that needs a prescription? YES

Is it an OTC drug? YES

Mechanism of action

Tranexamic acid works by inhibiting the blood clots from breaking down which helps to prevent extended bleeding.  

Side effects

Some common side effects may include:

  • vomiting/nausea
  • muscle pain/stiffness
  • diarrhea
  • stomach pain

Serious side effects may include:

  • coughing up blood
  • swelling of arms/legs
  • shortness of breath
  • dizziness
  • change in vision
  • fainting
  • skin rash/itching


Following precautions should be taken, before taking tranexamic acid:

  1. If you are allergic to it or other medications.
  2. If you have a medical history of blood clots in the brain/eye/legs/lungs, irregular heartbeats, heart valve problems, blood in urine, risk of having blood clots.
  3. It is not likely to be taken during pregnancy.

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