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Blood thinners

Tranexamic acid

Also sold as: Cyklokapron, Transamin

Prescription neededBlood thinners

Comes as:TabletInjection

Usual adult dose

Blood thinners

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.

Pregnancy

Category B

No risk seen in animal studies, but there are few studies in pregnant women. Usually considered safe when needed.

Check with my other medicines

Always follow your doctor or pharmacistThis page is general information, not a prescription. Do not start, stop or change a medicine on your own.