Order Online or Call Patient Support on 0161 639 0032

Online Doctor Service

Trimethoprim Tablets - Cystitis Treatment

More Views

Trimethoprim Tablets - Cystitis Treatment

Be the first to review this product

Availability: In stock

From £19.99

Quick Overview

Trimethoprim is a bacteriostatic antibiotic containing the active ingredient with the same name. It is used to treat cystitis but can also be used to prevent recurrent cystitis infections.

Product picture is for illustration purposes only. Brands may vary.

See patient information leaflet here

Trimethoprim Tablets - Cystitis Treatment:
Step 2/2 Choose Strength and Quantity and click Add to Cart
Begin Consultation

  •  pain, burning or stinging when you urinate needing to urinate often and urgently but passing only small amounts of urine urine that's dark, cloudy or strong smelling pain low in your belly (directly above the pubic bone)

Back pain Loin or flank pain Vaginal discharge or itch, and pain during sexual intercourse High fever (>38.5 degrees Centigrade) More than 2 episodes of vomiting Flu like symptoms (Fever, nausea and vomiting, rashes and collapse) Any serious medical condition which may require immediate hospitalisation

  • Antibiotics such as rifampicin
  • Anticoagulants to prevent your blood clotting such as warfarin
  • Ciclosporin (to prevent rejection after transplantation)
  • Azathioprine (an immunosuppressant)
  • Digoxin (to treat heart conditions)
  • Phenytoin or phosphenytoin (to treat epilepsy)
  • Pyrimethamine (to treat malaria)
  • Repaglinide (for diabetes)
  • Sulfonylureas to treat diabetes (e.g. Gliclazide, Glibenclamide)
  • Dapsone
  • Lamivudine (for HIV)
  • Eplerenone (for heart failure)
  • Spironolactone (to treat heart failure/oedema)
  • Mercaptopurine (for leukaemia)
  • Bone marrow depressants
  • Cyclophosphamide, allopurinol, danazol, or tiaprofenic acid
  • Amiodarone (for arrhythmias)
  • ACE inhibitors/ Angiotensin II receptor antagonists (e.g. Lisinopril, Ramipril, Captopril, Candesartan,Losartan, Irbesartan)
  • Oral Typhoid vaccine (do not get oral typhoid vaccine whilst on antibiotics as it will not be effective)

  • You will read the patient information leaflet supplied with your medication You will contact us and inform your GP of your medication if you experience any side effects of treatment, if you start new medication or if your medical conditions change during treatment. The treatment is solely for your own use You have answered all the above questions accurately and truthfully. You understand our doctors take your answers in good faith and base their prescribing decisions accordingly, and that incorrect information can be hazardous to your health.

* Required Fields

Trimethoprim Tablets - Cystitis Treatment - Medical Questions, Step 1 of 2
Proceed and Choose Treatment


What is Trimethoprim and what does it do?

Trimethoprim is a bacteriostatic antibiotic containing the active ingredient with the same name. It is used to treat cystitis but can also be used to prevent recurrent cystitis infections.

Trimethoprim works by prohibiting bacteria from multiplying and usually provides relief within a couple of days.

When is Trimethoprim prescribed?

Trimethoprim may be prescribed to patients suffering from cystitis. It may also be used to prevents cystitis from coming back if the patient is suffering from recurrent infections.

Trimethoprim as an antibiotic may be licensed to treat other conditions not mentioned in this product description. This page is however focussing on trimethoprim as a treatment for cystitis.

Is Trimethoprim suitable for my condition?

Trimethoprim may be suitable for you to use as long as you are not allergic or sensitive to trimethoprim or have severe liver or kidney problems. Our doctors will determine the suitability of this medicine based on the information you provide through the medial questionnaire.

Trimethoprim may not be suitable if any of the below applies to you:

  • If you are allergic to trimethoprim or any of the ingredients listed in the patient information leaflet.
  • If you have a blood disorder.
  • If you are pregnant.
  • If you are taking any other medicines, including but not limited to rifampicin, anticoagulants, ciclosporin, digoxin, phenytoin, pyrimethamine or bone marrow depressants.

Always mention any medicine you may take when filling in the medical questionnaire.

What is the recommended dosage of Trimethoprim?

You should follow the doctor’s instructions on how to take this medicine. The doses outlined below is for your reference only. The tablets should be swallowed whole with a glass of water.

Never exceed the stated dose.

Trimethoprim doses for sudden cystitis infections:

The recommended dose for the treatment of sudden cystitis infections is 200mg twice per day.

Trimethoprim doses for recurrent infections:

The recommended dose for long-term treatment and prevention of recurrent infections is 100mg taken once a day at night.

Does Trimethoprim cause any side effects?

All medicines can cause side effects and trimethoprim is no exception. However, not everyone gets them.

Side effects associated with taking trimethoprim include but are not limited to feeling or being sick, sore mouth, discomfort, muscle pain and headache.

You should contact your GP or nearest clinic immediately if you notice any signs of an allergic reaction. Symptoms of an allergic reaction may include swelling of the face, lips, tongue or throat or difficulty breathing.

Can I reduce the risk of getting side effects?

Yes. Reading the patient information leaflet thoroughly before use can help reduce the risk of side effect. It is particularly important that you read through section 2 (“Before you take Trimethoprim 200mg Tablet”) to ensure you understand which medicines and conditions that can interact with trimethoprim.

How do I buy Trimethoprim online?

To legally and safely buy trimethoprim online you need a prescription from a GMC (General Medical Council) registered doctor. Our online doctor service allows you to request a prescription through a medical questionnaire.

Once you have chosen your medicine and submitted the questionnaire, it will be reviewed by one of our doctors. If suitable, the doctor will accept your request and a prescription will be issued. Your medicine will then be dispensed by our UK pharmacy and sent by tracked delivery to your chosen address. Your medicine is usually dispatched within 24 hours after ordering.

More Information & Resources

Leave a Review

Only registered users can write reviews. Please, log in or register

Help & Guidance

The Order Process

1.      Choose your treatment

2.      Answer Our Doctor's Questions

3.      If suitable a prescription is issued

Need assistance?
Call Patient Support on 0161 639 0032

Back to Top