Citrato de potássio para cistite
Cystopurin, Effercitrate
Revisado por Sid DajaniÚltima atualização por Michael Stewart, MRPharmSÚltima atualização 5 Nov 2024
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If you are pregnant or have a medical condition, you should always contact a doctor if you think you have cystitis.
Follow the dosage instructions on the label of the pack. If your symptoms do not improve within two days of taking potassium citrate, you should make an appointment with your doctor for further advice.
Em resumo
Potassium citrate is a medicine used to relieve discomfort from mild cystitis by making urine less acidic.
It is available as sachets, effervescent tablets, and oral mixture, and can be bought without a prescription.
Take doses after meals, dissolved in a full glass of water, following the instructions on the packet.
Speak to a doctor or pharmacist if you are pregnant, have kidney or heart problems, or are taking other medicines.
Consult your doctor if symptoms do not improve within two days, or if you develop a high temperature.
Side effects are uncommon but may include needing to pass more urine or a mild stomach upset.
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About potassium citrate
Tipo de medicamento | An alkalinising agent |
Usado para | Mild urinary tract infections such as cystitis |
Também chamado de | Cystopurin®, Effercitrate® |
Disponível como | Sachets of powder, effervescent tablets, and oral mixture |
Cistite means inflammation of the bladder. It is usually caused by a urine infection. Typical symptoms are pain when you pass urine and passing urine more frequently. Your urine may also become cloudy and smelly. It is particularly common in women. A short course of antibiotics may be prescribed for you, although mild cases often improve on their own without the need for any treatment as your own immune system can often clear the infection.
Potassium citrate is a product that is sometimes recommended for the treatment of mild cystitis. It may help to relieve the discomfort, although there is no strong evidence of its benefit. It works by making the urine less acidic. It can be bought without a prescription at pharmacies and other retail outlets.
Nota: if you are pregnant, male or have a medical condition, you should always consult a doctor if you think you have cystitis because you may need to be treated with antibiotics. Men are advised to drink at least one litre of water and seek medical attention if symptoms last longer than three hours
Before taking potassium citrate
Voltar ao conteúdoTo make sure that this is the right treatment for you, before you start taking potassium citrate it is important that you speak with a doctor or pharmacist:
Se você está grávida.
Se você tiver um problema com o funcionamento dos seus rins.
If you have a heart condition, or any other serious medical condition.
Se você estiver tomando ou usando qualquer outro medicamento. Isso inclui quaisquer medicamentos que você esteja tomando e que estejam disponíveis para compra sem receita médica, bem como medicamentos fitoterápicos e complementares.
Se você já teve uma reação alérgica a um medicamento.
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How to take potassium citrate
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 the specific product you have been given and how to take it.
Please follow the dosage instructions on the label of the pack. Take your doses after meals. The following guidelines are adult doses:
Effervescent tablets (brand Effercitrate®) - take two tablets, up to three times a day. Take the tablets dissolved into a whole glassful of water.
Liquid medicine - take two 5 ml spoonfuls, stirred into a whole glassful of water. You can take up to three doses a day.
Sachets (brand Cystopurin®) - empty the contents of one sachet into a whole glassful of water. Stir it well before drinking. Take one sachet, three times daily.
Obtendo o máximo do seu tratamento
Voltar ao conteúdoIf your symptoms do not improve within two days of taking potassium citrate, or if you develop a high temperature, you should contact your doctor.
You might find it helpful to ask your pharmacist to recommend a suitable painkiller. Paracetamol or ibuprofen can also help to ease the pain and discomfort of cystitis.
Although it has been said that drinking lots of water may be helpful, there is little evidence for this. Some doctors feel that it does not help and drinking lots may just cause more painful toilet trips. You should follow the directions on the label for taking your potassium citrate preparation with water; however, other than this, drinking normal amounts of fluid is often sufficient.
If your symptoms recur within two weeks, you should make an appointment with your doctor for further advice.
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Can potassium citrate cause problems?
Voltar ao conteúdoRecommended doses of potassium citrate are unlikely to cause any side-effects other than making you want to pass a little more urine than normal, and maybe a mild stomach upset. If either of these becomes troublesome, speak with your doctor or pharmacist.
Potassium citrate side-effects | O que posso fazer se passar por isso? |
Desconforto estomacal | Take your doses diluted with plenty of water, after meals |
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 potassium citrate
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Informações importantes sobre todos os medicamentos
Voltar ao conteúdoInformações importantes sobre todos os medicamentos
Never take more than the recommended dose. If you suspect that you or someone else might have taken an overdose of the medicine, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty.
Se você for se submeter a uma operação ou tratamento dentário, informe à pessoa que está realizando o tratamento quais medicamentos você está tomando.
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.
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Perguntas frequentes
What is cystitis and what are its common symptoms?
Cystitis refers to inflammation of the bladder, typically caused by a urine infection. Common symptoms include pain during urination, more frequent urges to urinate, and sometimes cloudy or smelly urine. It is particularly prevalent in women.
How does potassium citrate help with cystitis symptoms?
Potassium citrate is sometimes suggested for relieving the discomfort associated with mild cystitis. It works by making the urine less acidic. While it may help, there isn't strong evidence to confirm its benefit.
Are there any specific situations when I should always see a doctor for cystitis symptoms?
Yes, if you are pregnant, male, or have an existing medical condition, you should always consult a doctor if you suspect you have cystitis, as antibiotics may be necessary. Men are specifically advised to drink at least one litre of water and seek medical attention if their symptoms persist for more than three hours.
What should I do if my cystitis symptoms don't get better after taking potassium citrate?
If your symptoms do not improve within two days of taking potassium citrate, or if you develop a high temperature, you should contact your doctor. Also, if your symptoms return within two weeks, you should make an appointment with your doctor for further advice.
Can I take other medicines, like painkillers, alongside potassium citrate for cystitis?
Yes, you might find it helpful to ask your pharmacist to suggest a suitable painkiller. Paracetamol or ibuprofen can also be used to help ease the pain and discomfort of cystitis.
Should I drink a lot of water when I have cystitis?
While it's often suggested that drinking a lot of water might be helpful, there's little evidence to support this. Some doctors believe it doesn't help and could lead to more frequent, painful toilet trips. Apart from ensuring you follow the directions for taking your potassium citrate with water, drinking normal amounts of fluid is usually sufficient.
What are the common side effects of potassium citrate?
At recommended doses, potassium citrate is unlikely to cause significant side effects. You might notice you need to pass urine a little more often than usual, and you could experience a mild stomach upset. If these become troublesome, you should speak with your doctor or pharmacist.
Leitura adicional e referências
- Manufacturer's PIL, Potassium Citrate Mixture; Thornton and Ross Ltd, The electronic Medicines Compendium. Dated October 2020.
- Medicamentos Completo BNF 89ª Edição; Associação Médica Britânica e Sociedade Real de Farmácia da Grã-Bretanha, Londres.
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Sobre o autorVer biografia completa

Michael Stewart, MRPharmS
Gerente de Revisão de Folhetos de Medicamentos – Contratado, Farmacêutico
BPharm (Hons), MRPharmS
Michael é um farmacêutico comunitário atuando nas Midlands e em South Yorkshire, com mais de 20 anos de experiência em aconselhamento sobre medicamentos e condições médicas. Ele tem uma sólida formação em treinamento em saúde, tendo produzido e ministrado cursos de treinamento para equipes de farmácia e funcionários de ambientes de cuidados residenciais, incluindo enfermeiros. Ele também contribuiu para conselhos consultivos de farmácia para o manejo de condições de baixa gravidade na comunidade.
Sobre o revisor

Sid Dajani
Sultan Dajani se formou na Escola de Farmácia de Londres em 1994 e se tornou o membro mais jovem eleito para o conselho da Sociedade Real de Farmácia desde sua fundação em 1842.
Histórico do artigo
As informações nesta página são escritas e revisadas por clínicos qualificados.
Próxima revisão prevista: 11 Nov 2027
5 Nov 2024 | Última versão

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