Drug Price Lookup
Live pharmacy acquisition cost (CMS NADAC) for any US drug — by strength, with effective dates.
Tiotropium (brands: Spiriva)
| Strength | Acquisition cost | Effective |
|---|---|---|
| 18 MCG | $10.6031/unit | 10/21/2026 |
Full profile — coverage, spending, alternatives: rxfinder.ai/drug/tiotropium
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=tiotropium