Pillstats
Rx only · Capsule · Oral

Zonisamide

Brands: Zonegran · Zonisamide

20 ACTIVE SUPPLIERS — US
openFDA · updated weekly
US48 NDCs
20 active makers
UKComing
soon
CAComing
soon
AUComing
soon
EUComing
soon
ATCN03AX15
RxCUI (US)39998
US makers20 labelers
Packages112
DEA / ScheduleNone

US acquisition costNADAC · per unit

Average across 23 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.

$0.028$0.055$0.083$0.110Dec 2025Apr 2026Jul 2026
$0.093
Latest avg · Jul 22, 2026
-1%
Since Dec 17, 2025
20
Active US suppliers
38%
Top-2 supplier share*

Medicaid dispensing volumeSDUD · per quarter

Prescriptions dispensed under Medicaid (fee-for-service + managed care), summed nationally. The closest free proxy to sales volume — Medicaid only, not all-payer.

53K106K158K211K2025 Q12025 Q22025 Q32025 Q42026 Q1
170K
Rx · 2026 Q1
19.4M
Units dispensed
-6%
Rx vs. year ago
5
Quarters · since 2025 Q1

Who makes it20 active · 0 exited

US labelers as registered with FDA. Repackagers relabel another company's product; share* is of listed packages, not sales.

LabelerTypePackagesStatus
Bryant Ranch Prepackrepackager32SUPPLYING
SUN PHARMACEUTICAL INDUSTRIES, INC.unknown11SUPPLYING
Proficient Rx LPunknown9SUPPLYING
Viona Pharmaceuticals Incunknown7SUPPLYING
Zydus Lifesciences Limitedunknown7SUPPLYING
Glenmark Pharmaceuticals Inc., USAunknown6SUPPLYING
Unichem Pharmaceuticals (USA), Inc.unknown6SUPPLYING
REMEDYREPACK INC.repackager5SUPPLYING
Preferred Pharmaceuticals Inc.unknown5SUPPLYING
Aurobindo Pharma Limitedunknown5SUPPLYING
BluePoint Laboratoriesunknown4SUPPLYING
Exelan Pharmaceuticals, Inc.unknown3SUPPLYING
ADVANCED RX PHARMACY OF TENNESSEE, LLCunknown2SUPPLYING
Direct_Rxunknown2SUPPLYING
Advanz Pharma (US) Corp.unknown2SUPPLYING

+ 5 more labelers

Regulatory & supply eventsFDA · US

Shortages, recalls, and registration changes attached to this drug concept.

  • Apr 25, 2022
    RECALLRecall (Class II): Zonisamide Capsules USP, 25 mg, packaged in 100-count bottles, Rx Only, Manufactured by: Glenmark Pharmaceuticals, Inc.…

    cGMP deviations — Recalling firm: Glenmark Pharmaceuticals Inc., USA — USA nationwide

  • Apr 25, 2022
    RECALLRecall (Class II): Zonisamide Capsules, USP, 100 mg, packaged in: a) 100-count bottle (NDC 68462-130-01); b) 500-count bottle (NDC 68462-1…

    cGMP deviations — Recalling firm: Glenmark Pharmaceuticals Inc., USA — USA nationwide

  • Apr 25, 2022
    RECALLRecall (Class II): Zonisamide Capsules, USP, 50 mg, packaged in 100-count bottles, Rx only, Manufactured by: Glenmark Pharmaceuticals, Inc…

    cGMP deviations — Recalling firm: Glenmark Pharmaceuticals Inc., USA — USA nationwide

  • Aug 27, 2021
    RECALLRecall (Class II): Zonisamide Capsules USP 50 mg 100 Capsules Rx Only NDC 68462-129-01 Manufactured by: Glenmark Pharmaceuticals Inc., USA…

    CGMP Deviations — Recalling firm: Glenmark Pharmaceuticals Inc., USA — Nationwide.

  • Aug 27, 2021
    RECALLRecall (Class II): Zonisamide Capsules USP 100 mg Rx Only Manufactured by: Glenmark Pharmaceuticals Inc., USA Monroe, NC 28110 Manufacture…

    CGMP Deviations — Recalling firm: Glenmark Pharmaceuticals Inc., USA — Nationwide.