GANTANOL vs MEPRON

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 12, 2026·How we rate

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

gantanol mepron

Rating

New

70/100

Pharmacy pays

—

$0.71 /mL

Type

Active ingredient

SULFAMETHOXAZOLE

ATOVAQUONE

Manufacturer

Roche

Glaxosmithkline

Dosage forms

Tablet, Suspension

Suspension

Drug class

—

Antimalarial

Boxed warning

None

Half-life

about 10 hours

—

Treats

Chlamydiaceae Infections, Enterobacteriaceae Infections, Nocardia Infections

Pneumocystis Pneumonia, Cerebral Toxoplasmosis

Frequently asked questions

What is the difference between Gantanol and Mepron?

Gantanol contains Sulfamethoxazole, while Mepron contains Atovaquone — 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.