Trimethoprim
Order Trimethoprim Online
Out of stock. Prices from £18.00
Simply fill in a brief questionnaire. One of our doctors will review your order and prescribe a suitable treatment. How to Order
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Recent clinical guidelines no longer recommend Trimethoprim for cystitis in the UK, because of increased antibiotic resistance. Now, MacroBid (nitrofurantoin) is the recommended treatment.
To order alternative cystitis medication online, fill in our brief questionnaire and select your preferred treatment. Our doctor will review your order and approve appropriate treatment.
About Trimethoprim
Ingredients
Trimethoprim 200mg tablets contain 200mg of the active ingredient Trimethoprim. Other ingredients are colloidal silicon dioxide, lactose, macrogol, magnesium stearate, providence, sodium starch glycollate, stearic acid and E460. If you are allergic to any of these ingredients, you should not take Trimethoprim.
Dosage
The dosage for treating cystitis was 200mg twice a day for 3 days. But, now it’s no longer a recommended treatment for cystitis, we no longer offer any dosage.
Side effects
- Nausea and occasionally vomiting
- Headache
- Loose stools
- Sore throat or persistent cold
- Joint pains
- Rashes
- Rarely - diarrhoea
- Rarely - Dizziness and drowsiness. Do not drive or operate machinery under these circumstances.
- Rarely - Short term hair loss
The following side effects are severe and you must see a doctor immediately if you experience any of the following:
- Possible bruises, slow clotting of the blood, anaemia, or fever accompanied by blisters and rashes
- Infrequently there may be changes to the sense of feeling, muscles feel weak, vision is blurred, and confusion or mood swings. These maybe irreversible.
- Inflammation of salivary glands causing facial pain
- Inflammation of the pancreas causing severe abdominal pain
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Trimethoprim is a broad spectrum antibiotic. It was the one of the recommended treatments for urinary tract infections, like cystitis. Now, because of increased antibiotic resistance, trimethoprim is no longer recommended for cystitis.
Increased antibiotic resistance means that this antibiotic will not work for some patients: 1 in 3 urine samples that were tested in a recent study showed resistance. This means that by taking trimethoprim your cystitis symptoms might not go away, and there is a higher chance of the infection becoming more serious.
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The active ingredient Trimethoprim prevents bacteria from taking up folic acid and therefore interferes with their reproduction. In the same way, it also prevents you absorbing folic acid, which is why Trimethoprim must not be taken during pregnancy.
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We would not recommend using Trimethoprim to treat urine infections, however if you have been prescribed this, you should feel better within a day or two of taking Trimethoprim tablets. One course of Trimethoprim will last three days, after which you should have noticed a significant improvement. If your symptoms persist, it is important for you to seek medical help immediately. Your doctor will carry out further tests to establish the nature of your infection.
Even though Trimethoprim is not recommended for treating UTIs like cystitis, it’s important to seek help without delay, as urinary tract infections can quickly spread to the kidneys, making them more painful and harder to treat. If Trimethoprim does not work, it may be because your UTI is Trimethoprim resistant.
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No. Trimethoprim is not targeted at the Chlamydia bacterium, which is a sexually transmitted infection (STI) that also causes cystitis. If you have a UTI, it does not necessarily mean you have Chlamydia. In fact, Chlamydia is the cause of only a small proportion of UTIs. Trimethoprim is also no longer recommended for cystitis either.
If you think you have chlamydia, please visit our chlamydia page for further information.
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In rare cases, patients are allergic to Trimethoprim or one of the ingredients. If this applies to you, your doctor will be able to advise you, which alternative treatment to take. If you are suffering from a blood disorder or kidney disease, you must also speak to your doctor, as Trimethoprim may be harmful for you.
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No. You must not use Trimethoprim if you are pregnant. Trimethoprim can lead to a folic acid deficiency which can, especially in the early stages of pregnancy, lead to an increased risk of neural tube defects. Taking Trimethoprim during this time can seriously affect the formation of your baby’s brain and spine.
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Trimethoprim is passed into breast milk, however, short-term use of Trimethoprim is not a problem. You should consult a doctor to discuss the suitability of Trimethoprim while breast-feeding.
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Antibiotics can make oral contraceptive pills less effective. In addition, antibiotics may cause vomiting or diarrhoea, which affect your contraceptive protection. Use need to use a condom in addition to your regular oral contraceptive to prevent unwanted pregnancy while taking Trimethoprim.
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Yes. There is no interaction between alcohol and trimethoprim. Please note, that it is not advisable to consume alcohol during a bout of cystitis, as it can irritate your bladder further. But, please note Trimethoprim is no longer recommended for cystitis.
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- If you are under 12 years old
- If you are pregnant
- If you are allergic to Trimethoprim or any other ingredients of the pill
- If you have severe kidney disease
- If you have a severe liver disease
- If you have a blood disorder
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- If you have kidney disease or are having dialysis treatment
- If you have low levels of folic acid
- If you are using other antibiotics, especially rifampicin
- If you are using anticoagulants to prevent your blood clotting (e.g. Warfarin)
- If you are using Ciclosporin e.g. to prevent transplant rejection.
- If you are using digoxin e.g. for heart conditions
- If you are using phenytoin e.g. for epilepsy
- If you are using pyrimethamine e.g. to treat malaria
- If you are using bone marrow depressants
GMC: 6149137
GMC: 6149061
GMC: 7155722
Cystitis bladder infections are caused by bacteria and need to be treated with antibiotics. Zava offers a variety of treatment through a convenient, discreet service.
