Trimethoprim 100mg Tablets
£9.50
Trimethoprim 100mg tablets for urine infections. Two tablets twice daily for 3 days. £9.50. Pharmacist review required before supply.
- Pharmacist clinical review before supply
- UK pricing shown by pack size
- Discreet delivery options available
Introduction
About trimethoprim 100mg tablets
Trimethoprim is an antibiotic used to treat and prevent urine infections. It works by preventing production of bacterial DNA, which then kills the bacteria.
This pack is a 3-day course of 100mg tablets. Treatment is only supplied after a UK-registered clinician reviews your consultation.
- 3-day course — £9.50
Benefits
Why people consider trimethoprim 100mg
Where it is clinically appropriate, a short trimethoprim course can treat many uncomplicated urine infections. A clinician still decides whether this option is suitable.
Antibiotic for urine infections
Trimethoprim helps stop bacteria making DNA so the infection can clear.
Short 3-day course
A standard uncomplicated UTI course is often completed over 3 days when a clinician agrees it is suitable.
Twice-daily dosing
Take two 100mg tablets twice daily for 3 days.
Clinician review before supply
Every request is checked against your symptoms, medicines and cautions before a prescription is issued.
Eligibility
Who trimethoprim may be for
Trimethoprim is considered for selected adults with symptoms of a urine infection after a clinical review. It cannot be used with some other medicines.
May be suitable if
- You have symptoms consistent with a urine infection
- You can take two tablets twice a day for 3 days
- You are not taking rifampicin, warfarin, digoxin, phenytoin, or repaglinide / pioglitazone
- You will contact a GP urgently if symptoms are no better or worse after 3 days
May not be suitable if
- You are currently taking rifampicin, warfarin, digoxin, phenytoin, or repaglinide / pioglitazone
- You are allergic to trimethoprim
- You have a condition a clinician considers unsafe with this antibiotic
- You need urgent care for severe symptoms such as fever with shaking, flank pain, or feeling extremely unwell
A clinician decides whether treatment is appropriate. Completing a consultation does not guarantee a prescription.
How it works
How trimethoprim works
Trimethoprim prevents bacteria from producing DNA, which kills the bacteria causing a urine infection. Symptoms should often improve within 2 days. Most urine infections clear within 3 days.
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Online consultation
Tell us about your urinary symptoms, how long they have lasted, medical history and current medicines.
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Clinical review
A UK-registered clinician checks whether an antibiotic for a lower UTI is appropriate.
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If suitable, we dispense
Approved treatment is dispensed by our pharmacy and delivered discreetly, with clear directions for use.
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Complete the full course
Take every dose for 3 days as directed. Contact a GP urgently if symptoms are no better or worsen after 3 days.
Using treatment
How to take trimethoprim 100mg tablets
Take two tablets twice daily for 3 days. Swallow whole with a drink of water. You can take it with or without food.
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Take two tablets twice daily
Space doses evenly across the day for 3 full days.
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Swallow whole with water
You can take trimethoprim with or without food.
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Complete the course
Finish all doses even if you start to feel better, unless a clinician tells you to stop.
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Seek help if you are not improving
If after 3 days you still have symptoms, or they get worse, speak to your GP urgently.
Safety
Safety information
Trimethoprim cannot be taken if you are currently taking rifampicin, warfarin, digoxin, phenytoin, or repaglinide / pioglitazone. Tell us about all medicines in your consultation.
Seek urgent medical advice if you develop blood or mucus in diarrhoea lasting over 4 days, unexplained bruising or bleeding, sore throat, mouth ulcers, high temperature, or unusual tiredness.
- Swallow whole with a drink of water. You can take it with or without food.
- Seek urgent medical advice for blood or mucus in diarrhoea lasting over 4 days, unexplained bruising or bleeding, sore throat, mouth ulcers, high temperature, or unusual tiredness.
- If symptoms are no better or worse after 3 days, speak to your GP urgently.
- Always read the patient information leaflet before first use.
Side effects
Possible side effects
Common side effects include itching or a mild rash, nausea or vomiting, diarrhoea and headaches. Your leaflet lists the full profile.
- Itching or mild rash Tell us if a rash spreads or you feel unwell. Seek urgent help for signs of a severe allergic reaction.
- Nausea or vomiting Taking with food may help if the leaflet allows. Contact us if you cannot keep doses down.
- Diarrhoea Stay hydrated. Seek urgent advice for blood or mucus in diarrhoea lasting over 4 days.
- Headache Rest and fluids may help. Seek advice if headaches are severe or unusual for you.
Always read the patient information leaflet. This page is general information for UK patients and is not a substitute for personalised clinical advice.
Common questions
Trimethoprim 100mg FAQs
Common questions about this 3-day UTI antibiotic course. A clinician still decides what is right for you.
What is trimethoprim?
Trimethoprim is an antibiotic used to treat and prevent urine infections. It works by preventing production of bacterial DNA, which then kills the bacteria.
How do I take trimethoprim 100mg tablets?
Take two tablets twice daily for 3 days. Swallow whole with water. You can take it with or without food.
How long does it take to work?
Symptoms should often improve within 2 days. Most urine infections clear within 3 days. If symptoms are no better or worse after 3 days, speak to your GP urgently.
How much does it cost?
The current private guide price is £9.50 for a 3-day course. You only pay if treatment is approved.
Which medicines interact with trimethoprim?
Do not take trimethoprim if you are currently on rifampicin, warfarin, digoxin, phenytoin, or repaglinide / pioglitazone. Always list your medicines on the consultation form.
Will I definitely get this antibiotic?
No. Supply depends on eligibility, safety and clinical judgement. Completing a consultation does not guarantee a prescription.
How is delivery handled?
If a prescription is issued, our pharmacy dispenses the medicine and sends it to your UK address in plain packaging. You receive tracking details once the order has been dispatched.
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