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ORENITRAM vs VIAGRA

Independent side-by-side comparison.

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

Possible drug interaction. ORENITRAM and VIAGRA 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.

Rating

New
72/100

Pharmacy pays

—
$0.11 /mL

Type

RX
RX

Active ingredient

TREPROSTINIL DIOLAMINE
SILDENAFIL CITRATE

Dosage forms

Tablet, extended release, Kit
Tablet

Drug class

—
Phosphodiesterase 5 Inhibitor

Boxed warning

None
None

Half-life

—
about 4 hours

Treats

Pulmonary Hypertension
Pulmonary Hypertension, Vasculogenic Impotence

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Frequently asked questions

What is the difference between Orenitram and Viagra?

Orenitram contains Treprostinil Diolamine, while Viagra contains Sildenafil Citrate — 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.