OpenBilldrug price receipt

NADAC week of 2026-10-14

LAMOTRIGINE ODT 50 MG TABLET

For 30 tablets

Pharmacies pay

$38.13 filed

30 × $1.27096 per EA

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23, 2026-09-30 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D paid

$133.77 filed

30 × $4.459 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

3.5× estimated

Medicare paid 3.5× what pharmacies pay.

Part D averages every strength and form sold under “Lamotrigine ODT” / “Lamotrigine” 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, 2026-09-30 (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

$48.85 estimated

$38.13 + $5.72 (15%) + $5.00 fee per fill = $48.85

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, 2026-09-30 (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

LAMOTRIGINE ODT 50 MG TABLET is how the CMS NADAC file names this product. The FDA NDC Directory lists it as lamotrigine.

FDA gives its dosage form as “tablet, orally disintegrating” and “tablet” and its route as oral.

FDA lists 8 labelers (the companies named on the label) for its NDCs, among them Amneal Pharmaceuticals of New York LLC, Torrent Pharmaceuticals Limited and Ajanta Pharma USA Inc.

FDA lists it under 2 Established Pharmacologic Classes: Anti-epileptic Agent and Mood Stabilizer.

The NADAC file of 2026-10-14 prices it under 8 NDCs (National Drug Codes).

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 $38.13 for 30 tablets (30 × $1.27096 per EA, rounded to the cent), by the CMS NADAC file of 2026-10-14; those prices took effect between 2026-09-23 and 2026-09-30. 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 8 labelers

LabelerNDCsPharmacies pay per unit
Ajanta Pharma USA Inc.1$1.27096 per EA filed
Alembic Pharmaceuticals Inc.1$1.27096 per EA filed
Amneal Pharmaceuticals of New York LLC1$1.27096 per EA filed
Dr. Reddy’s Laboratories Inc.1$1.27096 per EA filed
Nordic Pharma, Inc.1$1.27096 per EA filed
Par Health USA, LLC1$1.27096 per EA filed
Sun Pharmaceutical Industries, Inc.1$1.27096 per EA filed
Torrent Pharmaceuticals Limited1$1.27096 per EA filed

When these prices took effect

All 8 NDCs, with labeler and price
  • 00115-9940-01 · Amneal Pharmaceuticals of New York LLC · $1.27096 per EA · eff. 2026-09-23 filed
  • 13668-0694-30 · Torrent Pharmaceuticals Limited · $1.27096 per EA · eff. 2026-09-23 filed
  • 27241-0184-30 · Ajanta Pharma USA Inc. · $1.27096 per EA · eff. 2026-09-23 filed
  • 43598-0551-30 · Dr. Reddy’s Laboratories Inc. · $1.27096 per EA · eff. 2026-09-23 filed
  • 49884-0485-11 · Par Health USA, LLC · $1.27096 per EA · eff. 2026-09-23 filed
  • 51672-4253-06 · Sun Pharmaceutical Industries, Inc. · $1.27096 per EA · eff. 2026-09-23 filed
  • 62332-0771-30 · Alembic Pharmaceuticals Inc. · $1.27096 per EA · eff. 2026-09-30 filed
  • 69918-0360-30 · Nordic Pharma, Inc. · $1.27096 per EA · eff. 2026-09-23 filed

Other strengths, forms and brands

36 other products in the NADAC file share the FDA nonproprietary name lamotrigine with LAMOTRIGINE ODT 50 MG TABLET. The 23 below share a strength or dosage form with it first; search OpenBill for the rest.

ProductPharmacies pay per unitMedicare per unit
LAMICTAL 25 MG DISPER TABLET
brand · tablet, for suspension
$11.18289 per EA filed
eff. 2026-09-23
$11.42567 per EA filed
Part D 2024 average
LAMICTAL 25 MG TABLET
brand · tablet
$10.29501 per EA filed
eff. 2026-09-23
$11.42567 per EA filed
Part D 2024 average
LAMICTAL 100 MG TABLET
brand · tablet
$10.91795 per EA filed
eff. 2026-09-23
$11.42567 per EA filed
Part D 2024 average
LAMICTAL 150 MG TABLET
brand · tablet
$11.4684 per EA filed
eff. 2026-09-23
$11.42567 per EA filed
Part D 2024 average
LAMICTAL 200 MG TABLET
brand · tablet
$12.05122 per EA filed
eff. 2026-09-23
$11.42567 per EA filed
Part D 2024 average
LAMICTAL ODT 25 MG TABLET
brand · tablet, orally disintegrating
$12.81313 per EA filed
eff. 2026-09-23
$15.99002 per EA filed
Part D 2024 average
LAMICTAL ODT 50 MG TABLET
brand · tablet, orally disintegrating
$13.65287 per EA filed
eff. 2026-05-20
$15.99002 per EA filed
Part D 2024 average
LAMICTAL ODT 100 MG TABLET
brand · tablet, orally disintegrating
$14.63582 per EA filed
eff. 2026-09-23
$15.99002 per EA filed
Part D 2024 average
LAMICTAL ODT 200 MG TABLET
brand · tablet, orally disintegrating
$17.48893 per EA filed
eff. 2026-09-23
$15.99002 per EA filed
Part D 2024 average
LAMICTAL XR 50 MG TABLET
brand · tablet, film coated, extended release
$28.35003 per EA filed
eff. 2026-09-23
$34.14263 per EA filed
Part D 2024 average
LAMICTAL XR 100 MG TABLET
brand · tablet, film coated, extended release
$30.40041 per EA filed
eff. 2026-09-23
$34.14263 per EA filed
Part D 2024 average
LAMOTRIGINE 25 MG TABLET
generic · tablet
$0.02676 per EA filed
eff. 2026-09-23
$0.16656 per EA filed
Part D 2024 average
LAMOTRIGINE 100 MG TABLET
generic · tablet
$0.04873 per EA filed
eff. 2026-09-23
$0.16656 per EA filed
Part D 2024 average
LAMOTRIGINE 150 MG TABLET
generic · tablet
$0.06947 per EA filed
eff. 2026-09-23
$0.16656 per EA filed
Part D 2024 average
LAMOTRIGINE 200 MG TABLET
generic · tablet
$0.08253 per EA filed
eff. 2026-09-23
$0.16656 per EA filed
Part D 2024 average
LAMOTRIGINE ER 50 MG TABLET
generic · tablet, extended release / tablet, film coated, extended release
$0.59413 per EA filed
eff. 2026-09-23
$3.64681 per EA filed
Part D 2024 average
LAMOTRIGINE ODT 25 MG TABLET
generic · tablet, orally disintegrating / tablet
$1.29941 per EA filed
eff. 2026-09-23 to 2026-09-30
$4.459 per EA filed
Part D 2024 average
LAMOTRIGINE ODT 50 MG TABLET this page
generic · tablet, orally disintegrating / tablet
$1.27096 per EA filed
eff. 2026-09-23 to 2026-09-30
$4.459 per EA filed
Part D 2024 average
LAMOTRIGINE ODT 100 MG TABLET
generic · tablet, orally disintegrating / tablet
$1.62503 per EA filed
eff. 2026-09-23 to 2026-09-30
$4.459 per EA filed
Part D 2024 average
LAMOTRIGINE ODT 200 MG TABLET
generic · tablet, orally disintegrating / tablet
$1.64336 per EA filed
eff. 2026-09-23 to 2026-09-30
$4.459 per EA filed
Part D 2024 average
SUBVENITE 25 MG TABLET
generic · tablet
$0.02676 per EA filed
eff. 2026-09-23
We don’t know yet
SUBVENITE 100 MG TABLET
generic · tablet
$0.04873 per EA filed
eff. 2026-09-23
We don’t know yet
SUBVENITE 150 MG TABLET
generic · tablet
$0.06947 per EA filed
eff. 2026-09-23
We don’t know yet
SUBVENITE 200 MG TABLET
generic · tablet
$0.08253 per EA filed
eff. 2026-09-23
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. 2026-05-20, 2026-09-23, 2026-09-30 · 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 8 NDCs’ NADAC prices is $1.27096 per EA filed.

Of the 85 other products in FDA’s Anti-epileptic Agent class priced per EA, 47 have a higher middle NADAC price and 38 a lower one. The one in the middle is PHENYTEK 200 MG CAPSULE, at $1.4026 per EA filed (eff. 2026-09-23).

Of the 72 other products in FDA’s Mood Stabilizer class priced per EA, 36 have a higher middle NADAC price and 36 a lower one. The one in the middle is LAMOTRIGINE ER 300 MG TABLET, at $1.25965 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 $133.77 for 30 tablets, at an average of $4.459 per EA in 2024 (2024-01-01 to 2024-12-31) for “Lamotrigine ODT” and “Lamotrigine”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 23,561 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 LAMOTRIGINE ODT 50 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 Lamotrigine ODT / Lamotrigine: 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.