OpenBilldrug price receipt

NADAC week of 2026-10-14

DARIFENACIN ER 7.5 MG TABLET

For 30 tablets

Pharmacies pay

$16.48 filed

30 × $0.54943 per EA

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D paid

$89.26 filed

30 × $2.97534 per EA, Part D average

Medicare's price is not your price.

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18


The spread

5.4× estimated

Medicare paid 5.4× what pharmacies pay.

Part D averages every strength and form sold under “Darifenacin ER” / “Darifenacin Hydrobromide” into one figure, so it is not specific to this NDC.

OpenBill calculation · DSD_PTD_RY26_P04_V10_DY24_BGM.csv + nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17) · Part D 2024-01-01 to 2024-12-31 (file of 2026-06-25, retrieved 2026-10-18)

Cost-plus estimate

$23.95 estimated

$16.48 + $2.47 (15%) + $5.00 fee per fill = $23.95

This is a model, not a price any pharmacy quoted. Shipping is not included. How it is worked out

OpenBill calculation · nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17)

Open the interactive card Change the quantity, type what you were charged, and see every record in full.

What it is

DARIFENACIN ER 7.5 MG TABLET is how the CMS NADAC file names this product. The FDA NDC Directory lists it as “darifenacin” and “darifenacin hydrobromide”, as its NDCs’ listings variously write the nonproprietary name.

FDA gives its dosage form as “tablet, extended release” and “tablet, film coated, extended release” and its route as oral.

FDA lists 5 labelers (the companies named on the label) for its NDCs, among them Torrent Pharmaceuticals Limited, Rising Pharma Holdings, Inc. and Macleods Pharmaceuticals Limited.

FDA’s Established Pharmacologic Class for it is Cholinergic Muscarinic Antagonist.

The NADAC file of 2026-10-14 prices it under 11 NDCs (National Drug Codes); the FDA directory lists 9 of them.

NADAC classes it as a generic drug (rate-setting class G), and does not mark it as sold over the counter.

What pharmacies pay

Pharmacies pay $16.48 for 30 tablets (30 × $0.54943 per EA, rounded to the cent), by the CMS NADAC file of 2026-10-14; that price took effect on 2026-09-23. That is what pharmacies pay their suppliers, not what they charge you.

NADAC’s explanation code for it: 1, calculated from the most recently completed pharmacy survey.

The 5 labelers

LabelerNDCsPharmacies pay per unit
Alembic Pharmaceuticals Inc.2$0.54943 per EA filed
Cipla USA Inc.2$0.54943 per EA filed
Rising Pharma Holdings, Inc.2$0.54943 per EA filed
Torrent Pharmaceuticals Limited2$0.54943 per EA filed
Macleods Pharmaceuticals Limited1$0.54943 per EA filed
Not listed as a package in the FDA directory2$0.54943 per EA filed
All 11 NDCs, with labeler and price
  • 13668-0202-30 · Torrent Pharmaceuticals Limited · $0.54943 per EA · eff. 2026-09-23 filed
  • 13668-0202-90 · Torrent Pharmaceuticals Limited · $0.54943 per EA · eff. 2026-09-23 filed
  • 16571-0767-03 · Rising Pharma Holdings, Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 16571-0767-09 · Rising Pharma Holdings, Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 33342-0276-07 · Macleods Pharmaceuticals Limited · $0.54943 per EA · eff. 2026-09-23 filed
  • 62332-0223-30 · Alembic Pharmaceuticals Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 62332-0223-90 · Alembic Pharmaceuticals Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 69097-0431-02 · Cipla USA Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 69097-0431-05 · Cipla USA Inc. · $0.54943 per EA · eff. 2026-09-23 filed
  • 70700-0182-30 · not listed as a package in the FDA directory · $0.54943 per EA · eff. 2026-09-23 filed
  • 70700-0182-90 · not listed as a package in the FDA directory · $0.54943 per EA · eff. 2026-09-23 filed

Other strengths, forms and brands

1 other product in the NADAC file shares an FDA nonproprietary name with DARIFENACIN ER 7.5 MG TABLET.

ProductPharmacies pay per unitMedicare per unit
DARIFENACIN ER 7.5 MG TABLET this page
generic · tablet, extended release / tablet, film coated, extended release
$0.54943 per EA filed
eff. 2026-09-23
$2.97534 per EA filed
Part D 2024 average
DARIFENACIN ER 15 MG TABLET
generic · tablet, extended release / tablet, film coated, extended release
$0.43232 per EA filed
eff. 2026-09-23
$2.97534 per EA filed
Part D 2024 average

Part D is one average per brand and generic name, over every strength and form.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18

Compared with its class

The middle of its 11 NDCs’ NADAC prices is $0.54943 per EA filed.

Of the 25 other products in FDA’s Cholinergic Muscarinic Antagonist class priced per EA, 9 have a higher middle NADAC price and 16 a lower one. The one in the middle is TOLTERODINE TARTRATE 2 MG TAB, at $0.26393 per EA filed (eff. 2026-09-23).

Prices are compared per unit, whatever the strength or dose, and a class is not a list of substitutes.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

What Medicare paid

Medicare Part D paid $89.26 for 30 tablets, at an average of $2.97534 per EA in 2024 (2024-01-01 to 2024-12-31) for “Darifenacin ER” and “Darifenacin Hydrobromide”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 37,954 Part D claims (fills, including refills) for 2024-01-01 to 2024-12-31, across every maker, strength and form under the name.

Medicare's price is not your price.

What to ask at the counter

None of these figures is your price: what you pay depends on your pharmacy, your insurance, coupons and discounts.

Questions

Why is the comparison with Medicare for DARIFENACIN ER 7.5 MG TABLET labelled estimated?
Beyond what the card shows, the records give these reasons: The Part D figure covers 2024-01-01 to 2024-12-31; the NADAC price is from the file of 2026-10-14. Part D spending basis, as the Part D record states it: Part D 2024 average spend per dosage unit for Darifenacin ER / Darifenacin Hydrobromide: all makers, strengths, forms and routes combined, claim-weighted; gross cost incl. dispensing fees and patient pay, before rebates. Unit taken as NADAC's EA. Joined on generic name.