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DARAPRIM vs HALFAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. DARAPRIM and HALFAN 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.

daraprimhalfan

Rating

New
70/100

Pharmacy pays

~$4110.26 /30
—

Type

RX
RX

Active ingredient

PYRIMETHAMINE
HALOFANTRINE HYDROCHLORIDE

Manufacturer

Tilde Sciences
Glaxosmithkline

Dosage forms

Tablet
Tablet

Drug class

Dihydrofolate Reductase Inhibitor Antimalarial
—

Boxed warning

None
None

Treats

Toxoplasmosis, Falciparum Malaria, Aids-Related Opportunistic Infections
Falciparum Malaria, Vivax Malaria

Frequently asked questions

What is the difference between Daraprim and Halfan?

Daraprim contains Pyrimethamine, while Halfan contains Halofantrine Hydrochloride — 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.