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ADEMPAS vs VIAGRA

Independent side-by-side comparison.

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

Possible drug interaction. ADEMPAS 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

RIOCIGUAT
SILDENAFIL CITRATE

Dosage forms

Tablet
Tablet

Drug class

Soluble Guanylate Cyclase Stimulator
Phosphodiesterase 5 Inhibitor

Boxed warning

Half-life

—
about 4 hours

Treats

Pulmonary Hypertension
Pulmonary Hypertension, Vasculogenic Impotence

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Frequently asked questions

What is the difference between Adempas and Viagra?

Adempas contains Riociguat, 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.