PROLOPRIM vs TRIMETHOPRIM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Attribute	PROLOPRIM	TRIMETHOPRIM
Rating	New	56/100
Pharmacy pays	~$35.33 /30	~$35.33 /30
Type	RX	RX
Active ingredient	TRIMETHOPRIM	TRIMETHOPRIM
Manufacturer	Monarch Pharms	Teva
Dosage forms	Tablet	Tablet
Drug class	Dihydrofolate Reductase Inhibitor Antibacterial	Dihydrofolate Reductase Inhibitor Antibacterial
Boxed warning	None	None
Half-life	about 8 to 10 hours	about 8 to 10 hours
Treats	Bronchitis, Escherichia Coli Infections, Klebsiella Infections	Bronchitis, Escherichia Coli Infections, Klebsiella Infections

proloprim trimethoprim

Rating

New

56/100

Pharmacy pays

~$35.33 /30

Type

Active ingredient

TRIMETHOPRIM

Manufacturer

Monarch Pharms

Teva

Dosage forms

Tablet

Drug class

Dihydrofolate Reductase Inhibitor Antibacterial

Boxed warning

None

Half-life

about 8 to 10 hours

Treats

Bronchitis, Escherichia Coli Infections, Klebsiella Infections

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Frequently asked questions

Which is cheaper, Proloprim or Trimethoprim?

Pharmacies pay about the same to acquire either one — roughly $35.33 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Proloprim and Trimethoprim?

Both Proloprim and Trimethoprim share the active ingredient Trimethoprim.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.