FLUMADINE vs TAMIFLU

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. FLUMADINE and TAMIFLU 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	FLUMADINE	TAMIFLU
Rating	New	New
Pharmacy pays	—	$0.15 /mL
Type	RX	RX
Active ingredient	RIMANTADINE HYDROCHLORIDE	OSELTAMIVIR PHOSPHATE
Manufacturer	Sun Pharm Inds Inc	Roche
Dosage forms	Syrup, Tablet	Capsule, Powder
Drug class	—	Neuraminidase Inhibitor
Boxed warning	None	None
Half-life	—	about 1 to 3 hours
Treats	Human Influenza	Human Influenza

flumadine tamiflu

Rating

New

Pharmacy pays

—

$0.15 /mL

Type

Active ingredient

RIMANTADINE HYDROCHLORIDE

OSELTAMIVIR PHOSPHATE

Manufacturer

Sun Pharm Inds Inc

Roche

Dosage forms

Syrup, Tablet

Capsule, Powder

Drug class

—

Neuraminidase Inhibitor

Boxed warning

None

Half-life

—

about 1 to 3 hours

Treats

Human Influenza

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Frequently asked questions

What is the difference between Flumadine and Tamiflu?

Flumadine contains Rimantadine Hydrochloride, while Tamiflu contains Oseltamivir Phosphate — 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.