Does mebendazole contain wheat or gluten as an excipient?

We cross-check each mebendazole product label against four data sources: DailyMed (FDA Structured Product Labels), the European Medicines Agency centrally-authorised medicines database, the Plogsted curated gluten-free drug list, and the 2024 Mangione et al. pediatric pharmacy NDC analysis. Inactive ingredients are scanned against a 146-entry red-flag dictionary covering wheat, barley, rye, malt, source-ambiguous starches, and FDA gluten-free attestation phrases. Mostly yes — but worth a quick call to the manufacturer for some generics. Of 9 product labels we checked, 8 are clean, 0 are confirmed gluten-free by the maker, and 1 contain an inactive ingredient (typically a source-ambiguous starch) whose botanical origin isn't fully disclosed. None contained confirmed gluten.

Can different manufacturers' generic versions of mebendazole have different gluten status?

Yes. Generics in the United States must use the same active ingredient as the brand, but they are not required to use the same inactive ingredients. Two generics of mebendazole from different manufacturers can use entirely different starch sources, binders, and fillers. A pharmacy may also switch which manufacturer it dispenses between fills without notifying you. Each manufacturer-specific entry below corresponds to a separately-filed product label.

Last verified May 17, 2026 · 9 product labels screened

Is mebendazole gluten-free?

Looks mostly clean — worth verifying with the maker. Mostly yes — but worth a quick call to the manufacturer for some generics. Of 9 product labels we checked, 8 are clean, 0 are confirmed gluten-free by the maker, and 1 contain an inactive ingredient (typically a source-ambiguous starch) whose botanical origin isn't fully disclosed. None contained confirmed gluten.

Drug context

About mebendazole

Mebendazole is an antiparasitic used for pinworm and other helminth infections, sold under brand names including Vermox, Emverm.

Why this matters

Different manufacturers, different ingredients

Generics of mebendazole use the same active ingredient, but they aren't required to use the same inactive ingredients. Your pharmacy may switch which manufacturer they dispense between fills, sometimes without telling you. The list below shows each manufacturer's product label as a separate entry, because that's the granularity that actually matters when you're celiac.

The labels

The 9 we checked

01

(manufacturer not listed) worth a call to confirm

Mangione 2024 · mebendazole 100 mg chewable tablet (no confirmed-GF version found) · label dated 2025-06-09

Worth a call to the maker: No confirmed gluten-free formulation available
View source label →
02

DARMERICA, LLC nothing flagged on the label

US label (DailyMed) · MEBENDAZOLE POWDER [DARMERICA, LLC] · label dated Apr 22, 2026
View source label →
03

AX Pharmaceutical Corp nothing flagged on the label

US label (DailyMed) · MEBENDAZOLE POWDER [AX PHARMACEUTICAL CORP] · label dated Jan 21, 2026
View source label →
04

Amneal Pharmaceuticals LLC nothing flagged on the label

US label (DailyMed) · EMVERM (MEBENDAZOLE) TABLET, CHEWABLE [AMNEAL PHARMACEUTICALS LLC] · label dated Oct 25, 2024

Inactive ingredients ANHYDROUS LACTOSE · FD&C YELLOW NO. 6 · MAGNESIUM STEARATE · MICROCRYSTALLINE CELLULOSE · SACCHARIN SODIUM · SODIUM LAURYL SULFATE · SODIUM STARCH GLYCOLATE TYPE A POTATO · STARCH, CORN · STEARIC ACID
View source label →
05

BLUEBAY SHANDONG CO.,LTD nothing flagged on the label

US label (DailyMed) · MEBENDAZOLE POWDER [BLUEBAY SHANDONG CO.,LTD] · label dated Jun 23, 2022
View source label →
06

Janssen Pharmaceuticals, Inc. nothing flagged on the label

US label (DailyMed) · VERMOX (MEBENDAZOLE) TABLET, CHEWABLE [JANSSEN PHARMACEUTICALS, INC.] · label dated Oct 06, 2021

Inactive ingredients CROSPOVIDONE (120 .MU.M) · magnesium stearate · microcrystalline cellulose · povidone, unspecified · strawberry · sucralose · water
View source label →
07

AX Pharmaceutical Corp nothing flagged on the label

US label (DailyMed) · AX PHARMACEUTICAL CORP (MEBENDAZOLE) POWDER [AX PHARMACEUTICAL CORP] · label dated Jun 19, 2018

Inactive ingredients WATER
View source label →
08

AX Pharmaceutical Corp nothing flagged on the label

US label (DailyMed) · X (MEBENDAZOLE) POWDER [AX PHARMACEUTICAL CORP] · label dated Jan 04, 2017

Inactive ingredients WATER
View source label →
09

Physicians Total Care, Inc. nothing flagged on the label

US label (DailyMed) · MEBENDAZOLE TABLET, CHEWABLE [PHYSICIANS TOTAL CARE, INC.] · label dated Apr 04, 2011

Inactive ingredients ANHYDROUS LACTOSE · CELLULOSE, MICROCRYSTALLINE · FD&C YELLOW NO. 6 · MAGNESIUM STEARATE · SACCHARIN SODIUM · SODIUM LAURYL SULFATE · SODIUM STARCH GLYCOLATE TYPE A POTATO · STARCH, CORN · STEARIC ACID
View source label →

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Background

What “gluten in a medication” actually means

Gluten enters drugs through their excipients — the inactive ingredients used to bind, coat, fill, or stabilize the dose. The main concern is wheat starch as a filler. Source-ambiguous starches (plain “starch”, pregelatinized starch, sodium starch glycolate, modified starch) get flagged for verification because their botanical origin isn't always disclosed on the label.

The 2024 Mangione et al. pediatric NDC analysis (689 NDCs across the top 100 pediatric medications) found 1.5% contained gluten outright; another 25.7% couldn't be confirmed either way. Liquid and oral-suspension formulations carry disproportionate risk because wheat starch is a common thickener. Full methodology →

Keep checking

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Important. This page is informational. Drug labels can change without notice; a manufacturer attestation is point-in-time, not a warranty. If you have celiac disease and your pharmacy switches manufacturers, re-screen the new label before taking the dispensed product. For a definitive answer, call the manufacturer's medical-information line with the NDC code from your prescription bottle.