MEPRON vs SULFAMETHOXAZOLE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. MEPRON and SULFAMETHOXAZOLE are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	MEPRON	SULFAMETHOXAZOLE
Rating	70/100	New
Pharmacy pays	$0.71 /mL	—
Type	RX	RX
Active ingredient	ATOVAQUONE	SULFAMETHOXAZOLE
Manufacturer	Glaxosmithkline	Barr
Dosage forms	Suspension	Tablet
Drug class	Antimalarial	—
Boxed warning	None	None
Half-life	—	about 10 hours
Treats	Pneumocystis Pneumonia, Cerebral Toxoplasmosis	Chlamydiaceae Infections, Enterobacteriaceae Infections, Nocardia Infections

mepron sulfamethoxazole

Rating

70/100

New

Pharmacy pays

$0.71 /mL

—

Type

Active ingredient

ATOVAQUONE

SULFAMETHOXAZOLE

Manufacturer

Glaxosmithkline

Barr

Dosage forms

Suspension

Tablet

Drug class

Antimalarial

—

Boxed warning

None

Half-life

—

about 10 hours

Treats

Pneumocystis Pneumonia, Cerebral Toxoplasmosis

Chlamydiaceae Infections, Enterobacteriaceae Infections, Nocardia Infections

Frequently asked questions

What is the difference between Mepron and Sulfamethoxazole?

Mepron contains Atovaquone, while Sulfamethoxazole contains Sulfamethoxazole — they have different active ingredients.

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.