How Much Does Trimethoprim Cost? — Save Up to 28% in Canada

Our most recent US pharmacy data shows a low of roughly $4.90 for Trimethoprim with a standard discount card. That figure moves with dosage and quantity — check the comparison table for the exact combination you need.

Yes — Cost Plus Drugs lists Trimethoprim at roughly $1.36 per unit, a published price with no membership card or coupon involved. See the three-price comparison above for how that stacks up against discount-card pharmacies.

We found Canadian pricing for Trimethoprim starting near $0.980 per tablet in USD terms. That's before any shipping charge, which the table above breaks out separately.

Drug pricing is set separately in each country through different negotiation, regulatory, and distribution systems, so the same medication can legitimately carry different price tags on either side of the border. In this case, our data shows the Canadian price coming in lower — but that isn't true for every drug, so it's worth checking each medication individually rather than assuming.

Your copay for Trimethoprim under an insurance plan depends on your specific plan's formulary and coverage rules. In some cases, the price available through a pharmacy savings program or discount card may be lower than your insurance copay. It's advisable to check with your insurance provider for your expected cost and ask your pharmacist to compare that price against available discount options.

Trimethoprim itself is a widely available generic medication. Historically, it has been sold under brand names such as Primsol, Proloprim, and Trimpex. These brand-name products may now be discontinued and difficult to find, making the generic form the standard option at pharmacies.

Trimethoprim is a prescription antibiotic used to treat bacterial infections, most commonly urinary tract infections. It is also prescribed for certain types of pneumonia and traveler's diarrhea. It belongs to a class of drugs called antifolate antibiotics, which work by blocking bacteria's ability to use folic acid, a compound essential for their growth and reproduction. It is crucial to understand that this medication is only effective against bacterial infections and will not work for viral illnesses like the common cold or flu. The dosage and duration of treatment depend on the infection being treated. Always take it exactly as prescribed by your healthcare provider and inform them of your full medical history and any other medications you are taking.