MEPRON vs PLAQUENIL

Independent side-by-side comparison.

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

Possible drug interaction. MEPRON and PLAQUENIL 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	PLAQUENIL
Rating	70/100	New
Pharmacy pays	$0.71 /mL	~$4.86 /30
Type	RX	RX
Active ingredient	ATOVAQUONE	HYDROXYCHLOROQUINE SULFATE
Manufacturer	Glaxosmithkline	Advanz Pharma
Dosage forms	Suspension	Tablet
Drug class	Antimalarial	Antimalarial
Boxed warning	None	None
Half-life	—	about 40 to 50 days (terminal elimination half-life in whole blood)
Treats	Pneumocystis Pneumonia, Cerebral Toxoplasmosis	Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria

mepron plaquenil

Rating

70/100

New

Pharmacy pays

$0.71 /mL

~$4.86 /30

Type

Active ingredient

ATOVAQUONE

HYDROXYCHLOROQUINE SULFATE

Manufacturer

Glaxosmithkline

Advanz Pharma

Dosage forms

Suspension

Tablet

Drug class

Antimalarial

Boxed warning

None

Half-life

—

about 40 to 50 days (terminal elimination half-life in whole blood)

Treats

Pneumocystis Pneumonia, Cerebral Toxoplasmosis

Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria

Frequently asked questions

What is the difference between Mepron and Plaquenil?

Mepron contains Atovaquone, while Plaquenil contains Hydroxychloroquine Sulfate — 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.