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Trimethoprim Prices

Name & Dosage x6 Tablets
(3 Day Course)
Trimethoprim 200mg Tablets
(3 Day Course)
£9.49

What is Trimethoprim?

Trimethoprim is an antibiotic used to treat Urinary Tract Infections such as cystitis. Trimethoprim needs to be taken twice a day for three days. You should start to feel an improvement after a day of having taken the course.

Trimethoprim Side Effects

What are the side-effects of Trimethoprim?

Trimethoprim is unlikely to cause many side-effects as the course is so short, however, some common side-effects may include:

  • Feeling nauseas (sick)
  • Skin rash
  • Headache

To see a full list of side-effects, please read the Patient Information Leaflet for Trimethoprim

Patient Information Leaflet

For more information about Trimethoprim Cystitis (UTI) treatment, take a look at the patient information leaflet below:

Where can I find out more information about Trimethoprim?

To find out more information about Trimethoprim, visit the NHS website.

Product Reviews

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"Vicky's Review"

These tablets work very quickly when taken at initial onset of my cluster migraine. I find if I leave and take when full migraine they take longer.

By Vicky (via TrustPilot)
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"Kitty's Review"

When ever I have a horrid migraine start take one of these 50mg little miracles and starts to work with in 20-30 mins… highly recommend Sumatriptans as they actually work and are cheaper than the other brands 👍🏼

By Kitty (via TrustPilot)
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"Lisa's Review"

I have suffered with migraines on and off for years which I used to take regular medication for. They have recently increased again due to peri menopause. These sumatriptan tablets prevent me having to take bucket loads of pain killers when a migraine strikes and keeps the nausea at a distance. Highly recommended.

By Lisa Goulding (via TrustPilot)
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"Daniela's Review"

Helps with my occasional migraines. Wish I'd discovered them earlier. I usually take one the moment I suspect it coming. Sometimes I pair with ibuprofen , but it's usually very effective!

By Daniela Nicula (via TrustPilot)
Authored By
Abbas Kanani

Superintendent Pharmacist

Written by Chemist Click

First created 24th April 2025

Last reviewed 1st October 2025

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