RxFinder.ai

Drug Price Lookup

Live pharmacy acquisition cost (CMS NADAC) for any US drug — by strength, with effective dates.

Sildenafil (brands: Revatio, Sildenafil, Viagra)

StrengthAcquisition costEffective
10 MG/ML$0.2340/unit10/21/2026
100 MG Tablet$0.1365/unit10/21/2026
20 MG Tablet$0.0510/unit09/23/2026
25 MG Tablet$0.1219/unit10/21/2026
50 MG Tablet$0.1110/unit10/21/2026

Full profile — coverage, spending, alternatives: rxfinder.ai/drug/sildenafil

NADAC is what pharmacies actually pay to acquire the drug — the honest baseline for judging what a plan is charged.

Data: CMS NADAC (National Average Drug Acquisition Cost) — NADAC effective 10/21/2026 · source

Machine access — this tool is available as structured data for AI assistants and agents:
GET https://rxfinder.ai/tools/drug-price/data.json?drug=sildenafil