Tranexamic acid
Also sold as: Cyklokapron, Transamin
Prescription neededBlood thinners
Comes as:TabletInjection
Usual adult dose
Heavy periods: 1 g three times a day for up to 4 days, starting when bleeding starts. Heavy bleeding after injury or childbirth: injection given by a health worker in hospital.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- nausea
- diarrhoea
- headache
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- signs of a blood clot (painful swollen leg
- chest pain
- sudden breathlessness
- sudden weakness of one side)
- vision changes
- seizures
Do not take it, or take care, if
- Past or current blood clot (leg, lung or brain)
- Severe kidney disease
- Blood in the urine from the kidneys
- Taking combined contraceptive pills (use with caution)
Interactions
Medicines that can react with this one.
Moderate1 medicineTake together only with care. Ask your doctor or pharmacist.
- Ethinylestradiol + Levonorgestrel
Combined contraceptive pills with tranexamic acid may raise the risk of blood clots.