Tranexamic acid for bleeding
Cyklokapron
Revisado por Sid DajaniÚltima atualização por Michael Stewart, MRPharmSÚltima atualização 9 Jun 2024
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Tranexamic acid is used to control unwanted bleeding. It reduces the amount of blood loss.
Side-effects are rare and usually minor. However, if you notice any changes to your vision you should let your doctor know about this as soon as possible.
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About tranexamic acid
Tipo de medicamento | An antifibrinolytic medicine |
Usado para | To prevent or treat heavy bleeding |
Também chamado de | Cyklokapron® |
Disponível como | Tablets and injection |
Tranexamic acid is given to stop or reduce heavy bleeding. When you bleed, your body forms clots to stop the bleeding. In some people, these clots break down and the bleeding continues. Tranexamic acid works by stopping the clots from breaking down and so reduces the unwanted bleeding.
It is used to control bleeding in a number of different conditions. It reduces unwanted or heavy bleeding following some surgery (such as surgery on the prostate, bladder or cervix), nosebleeds, heavy periods (menorrhagia), bleeding inside the eye, tooth extraction in people who bleed more easily than normal, and in a condition called hereditary angio-oedema.
Tranexamic acid is available on prescription from a doctor and may be sold over-the-counter from pharmacies for the treatment of heavy periods.
Before taking tranexamic acid
Voltar ao conteúdoSome medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking tranexamic acid it is important that your doctor knows:
Se você está grávida ou amamentando.
If you have any problems with the way your kidneys work, or if you have blood in your urine.
If you have had a blood clot in an artery or vein.
If you have ever had a fit (convulsion).
If you have recently had a blood clotting problem called disseminated intravascular coagulation.
If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines. If you are taking the contraceptive pill, please make sure that your doctor is aware of this.
Se você já teve uma reação alérgica a um medicamento.
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How to take tranexamic acid
Voltar ao conteúdoBefore you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about tranexamic acid and will provide you with a full list of the side-effects which you may experience from taking it.
Take the tablets exactly as your doctor tells you to. Your doctor will tell you how many tablets to take each day and how long the course of treatment will last. Your dose will also be printed on the label of the pack to remind you about what the doctor said to you. It is usual to be asked to take 2-3 tablets, two or three times a day, but your dose may be different to this.
Swallow the tablets whole with a drink of water - do not crush or chew the tablets.
Tranexamic acid can be taken either before or after food.
If you forget to take a dose, do not worry, just leave out the missed dose and take the next dose when it is due. Do not take two doses together to make up for a forgotten dose.
Obtendo o máximo do seu tratamento
Voltar ao conteúdoTry to keep any regular appointments with your doctor. This is so your doctor can check on your progress.
Tranexamic acid is usually taken for short periods of time only.
If you are having an operation or any dental treatment, remember to tell the person carrying out the treatment that you are taking tranexamic acid.
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Can tranexamic acid cause problems?
Voltar ao conteúdoAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the side-effects associated with tranexamic acid, although these occur only rarely. You will find a full list in the manufacturer's information leaflet supplied with your medicine. Speak with your doctor or pharmacist if any of the following become troublesome.
Tranexamic acid side-effects | O que posso fazer se passar por isso? |
Feeling sick (nausea) or being sick (vomiting) | Stick to simple meals - avoid rich and spicy food. If you are not already doing so, try taking the tablets after meals |
Diarreia | Drink plenty of water to replace the lost fluids |
Eyesight problems (such as problems with your colour vision) | Let your doctor know about this as soon as possible as your treatment will need to be reviewed |
Se você sentir quaisquer outros sintomas que acha que podem ser devido ao medicamento, fale com seu médico ou farmacêutico para mais conselhos.
How to store tranexamic acid
Voltar ao conteúdoMantenha todos os medicamentos fora do alcance e da vista das crianças.
Armazene em local fresco e seco, longe de calor e luz diretos.
Informações importantes sobre todos os medicamentos
Voltar ao conteúdoInformações importantes sobre todos os medicamentos
Nunca tome mais do que a dose prescrita. Se suspeitar que você ou outra pessoa possa ter tomado uma overdose deste medicamento, vá ao departamento de acidentes e emergências do hospital local. Leve o recipiente com você, mesmo que esteja vazio.
This medicine is for you. Do not give it to other people even if their condition appears to be the same as yours.
Se você comprar qualquer medicamento, verifique com um farmacêutico se eles são adequados para tomar com seus outros medicamentos.
Não guarde medicamentos vencidos ou indesejados. Leve-os à sua farmácia local, que se encarregará de descartá-los para você.
Se você tiver alguma dúvida sobre este medicamento, pergunte ao seu farmacêutico.
Relatar efeitos colaterais de um medicamento ou vacina
Se você sentir efeitos colaterais, pode relatá-los online através do site Cartão Amarelo.
Vídeos selecionados para Medicina geniturinária

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Leitura adicional e referências
- Manufacturer's PIL, Cyklokapron® 500 mg film-coated Tablets; Mylan (Viatris), The electronic Medicines Compendium. Dated February 2024.
- Medicamentos Completo BNF 89ª Edição; Associação Médica Britânica e Sociedade Real de Farmácia da Grã-Bretanha, Londres.
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Histórico do artigo
As informações nesta página são escritas e revisadas por clínicos qualificados.
Next review due: 22 May 2027
9 Jun 2024 | Última versão

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