OpenBilldrug price receipt

NADAC week of 2026-10-14

GNP OLOPATADINE 0.1% EYE DROPS

For 5 mL

Pharmacies pay

$6.37 filed

5 × $1.27369 per ML

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

Medicare

We don’t know yet

No Medicare reference price. Part D: OpenBill did not match this NDC to a usable Medicare Part D spending row. Either Part D has none for it, or the rows that share its name could not safely be tied to it (for example, they mix units, routes or release forms, or the drug is sold over the counter, which Part D does not cover). Part B: This NDC is not in the current quarter’s Medicare Part B NDC-HCPCS crosswalk, so it has no Part B payment limit.


The spread

We don’t know yet

There is no Medicare figure to compare with, so there is no spread.

Cost-plus estimate

$12.33 estimated

$6.37 + $0.96 (15%) + $5.00 fee per fill = $12.33

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

GNP OLOPATADINE 0.1% EYE DROPS is how the CMS NADAC file names this product. The FDA NDC Directory lists it as olopatadine hydrochloride.

FDA gives its dosage form as solution and its route as ophthalmic.

The labeler, the company named on the label, is Amerisource Bergen.

FDA lists it under 3 Established Pharmacologic Classes: Histamine-1 Receptor Antagonist, Histamine-1 Receptor Inhibitor and Mast Cell Stabilizer.

The NADAC file of 2026-10-14 prices it under one NDC (National Drug Code), 46122-0672-64.

NADAC classes it as a generic drug (rate-setting class G), and marks it as sold over the counter.

What pharmacies pay

Pharmacies pay $6.37 for 5 mL (5 × $1.27369 per ML, 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 codes for it: 1, calculated from the most recently completed pharmacy survey; 5, calculated based on package size.

The NDC

Other strengths, forms and brands

8 other products in the NADAC file share the FDA nonproprietary name olopatadine hydrochloride with GNP OLOPATADINE 0.1% EYE DROPS.

ProductPharmacies pay per unitMedicare per unit
ADVANCED EYE RELIEF 0.2% DROPS
generic · solution
$1.98349 per ML filed
eff. 2026-09-23
We don’t know yet
GNP OLOPATADINE 0.1% EYE DROPS this page
generic · solution
$1.27369 per ML filed
eff. 2026-09-23
We don’t know yet
GNP OLOPATADINE 0.2% EYE DROP
generic · solution
$2.96362 per ML filed
eff. 2026-09-23
We don’t know yet
OLOPATADINE 665 MCG NASAL SPRY
generic · spray / spray, metered
$0.8495 per GM filed
eff. 2026-09-23
$5.76735 per GM filed
Part D 2024 average
OLOPATADINE HCL 0.1% EYE DROP
generic · solution / solution/ drops
$1.27369 per ML filed
eff. 2026-09-23
We don’t know yet
OLOPATADINE HCL 0.2% EYE DROP
generic · solution/ drops / solution
$1.98349 to $2.96362 per ML filed
eff. 2026-09-23
We don’t know yet
PATADAY ONCE DAILY 0.2% DROPS
brand · solution
$5.89285 per ML filed
eff. 2026-08-19
We don’t know yet
PATADAY ONCE DAILY 0.7% DROPS
brand · solution
$6.2023 per ML filed
eff. 2026-08-19
We don’t know yet
PATADAY TWICE DAILY 0.1% DROPS
brand · solution
$2.48198 per ML filed
eff. 2026-08-19
We don’t know yet

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. 2026-08-19, 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

Its NADAC price is $1.27369 per ML filed.

Of the 46 other products in FDA’s Histamine-1 Receptor Antagonist class priced per ML, 10 have a higher middle NADAC price and 33 a lower one; 3 have the same. The one in the middle is ITCH RELIEF 2%-0.1% SPRAY, at $0.04712 per ML filed (eff. 2026-09-23).

Of the 14 other products in FDA’s Histamine-1 Receptor Inhibitor class priced per ML, 11 have a higher middle NADAC price and 0 a lower one; 3 have the same. The one in the middle is ADVANCED EYE RELIEF 0.2% DROPS, at $1.98349 per ML filed (eff. 2026-09-23).

Of the 14 other products in FDA’s Mast Cell Stabilizer class priced per ML, 8 have a higher middle NADAC price and 3 a lower one; 3 have the same. The one in the middle is ADVANCED EYE RELIEF 0.2% DROPS, at $1.98349 per ML 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

We don’t know yet; the card above says why.

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 does this page start at 5 mL?
NADAC prices this product per ML. The FDA NDC Directory’s package description gives 5 mL in one package for this product’s NDC (“1 BOTTLE, PLASTIC in 1 CARTON (46122-672-64) / 5 mL in 1 BOTTLE, PLASTIC”), so the card starts at one package: 5 ML. Change it to match your prescription.