Does tamsulosin contain wheat or gluten as an excipient?

We cross-check each tamsulosin 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 18 product labels we checked, 10 are clean, 1 are confirmed gluten-free by the maker, and 7 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 tamsulosin 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 tamsulosin 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 · 18 product labels screened

Is tamsulosin gluten-free?

Looks mostly clean — worth verifying with the maker. Mostly yes — but worth a quick call to the manufacturer for some generics. Of 18 product labels we checked, 10 are clean, 1 are confirmed gluten-free by the maker, and 7 contain an inactive ingredient (typically a source-ambiguous starch) whose botanical origin isn't fully disclosed. None contained confirmed gluten.

Drug context

About tamsulosin

Tamsulosin is an alpha-blocker used for benign prostatic hyperplasia (BPH), sold under brand names including Flomax.

Why this matters

Different manufacturers, different ingredients

Generics of tamsulosin 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 18 we checked

01

Mylan manufacturer-attested gluten-free

Plogsted list · Tamsulosin [Mylan] · label dated 2019-04-23

Manufacturer confirmed gluten-free (Plogsted 2019-04-23)
View source label →
02

Actavis worth a call to confirm

Plogsted list · Tamsulosin [Actavis] · label dated 2019-04-23
View source label →
03

Aurobindo worth a call to confirm

Plogsted list · Tamsulosin [Aurobindo] · label dated 2019-04-23
View source label →
04

Major worth a call to confirm

Plogsted list · Tamsulosin [Major] · label dated 2019-04-23
View source label →
05

Par worth a call to confirm

Plogsted list · Tamsulosin [Par] · label dated 2019-04-23
View source label →
06

Sandoz worth a call to confirm

Plogsted list · Tamsulosin [Sandoz] · label dated 2019-04-23
View source label →
07

Teva worth a call to confirm

Plogsted list · Tamsulosin [Teva] · label dated 2019-04-23
View source label →
08

Wockhardt worth a call to confirm

Plogsted list · Tamsulosin [Wockhardt] · label dated 2019-04-23
View source label →
09

St. Mary’s Medical Park Pharmacy nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [ST. MARY&RSQUO;S MEDICAL PARK PHARMACY] · label dated May 07, 2026

Inactive ingredients ALCOHOL · AMMONIA · BUTYL ALCOHOL · CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN · ISOPROPYL ALCOHOL · METHACRYLIC ACID - ETHYL ACRYLATE COPOLYMER (1:1) TYPE A · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · SODIUM LAURYL SULFATE · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
10

Direct_Rx nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [DIRECT_RX] · label dated Apr 24, 2026

Inactive ingredients ALCOHOL · AMMONIA · BUTYL ALCOHOL · CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN · ISOPROPYL ALCOHOL · METHACRYLIC ACID - ETHYL ACRYLATE COPOLYMER (1:1) TYPE A · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · SODIUM LAURYL SULFATE · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
11

Redpharm Drug nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [REDPHARM DRUG] · label dated Mar 19, 2026

Inactive ingredients ALCOHOL · AMMONIA · BUTYL ALCOHOL · CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · ISOPROPYL ALCOHOL · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · SODIUM LAURYL SULFATE · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
12

Waylis Therapeutics nothing flagged on the label

US label (DailyMed) · JALYN (DUTASTERIDE AND TAMSULOSIN HYDROCHLORIDE) CAPSULE [WAYLIS THERAPEUTICS] · label dated Mar 11, 2026

Inactive ingredients METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · Talc · microcrystalline cellulose · triethyl citrate
View source label →
13

XLCare Pharmaceuticals, Inc. nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [XLCARE PHARMACEUTICALS, INC.] · label dated Feb 13, 2026

Inactive ingredients ETHYLCELLULOSE · FERROSOFERRIC OXIDE · GELATIN · HYPROMELLOSE, UNSPECIFIED · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · POLYETHYLENE GLYCOL, UNSPECIFIED · POTASSIUM HYDROXIDE · PROPYL GALLATE · PROPYLENE GLYCOL · SHELLAC · SILICON DIOXIDE · SODIUM LAURYL SULFATE · STARCH, CORN · SUCROSE · TALC · TITANIUM DIOXIDE
View source label →
14

Northwind Health Company, LLC nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [NORTHWIND HEALTH COMPANY, LLC] · label dated Jan 30, 2026

Inactive ingredients ALCOHOL · AMMONIA · BUTYL ALCOHOL · CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · ISOPROPYL ALCOHOL · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · SODIUM LAURYL SULFATE · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
15

Rising Pharma Holdings, Inc. nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [RISING PHARMA HOLDINGS, INC.] · label dated Jan 15, 2026

Inactive ingredients ALCOHOL · AMMONIA · BUTYL ALCOHOL · CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · ISOPROPYL ALCOHOL · METHACRYLIC ACID - ETHYL ACRYLATE COPOLYMER (1:1) TYPE A · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · SODIUM LAURYL SULFATE · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
16

Chartwell RX, LLC nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE (TAMSULOSIN HYDROCHLORIDE) CAPSULE [CHARTWELL RX, LLC] · label dated Dec 12, 2025

Inactive ingredients CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · HYPROMELLOSE, UNSPECIFIED · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
17

Golden State Medical Supply, Inc. nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [GOLDEN STATE MEDICAL SUPPLY, INC.] · label dated Dec 08, 2025

Inactive ingredients CALCIUM STEARATE · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · HYPROMELLOSE, UNSPECIFIED · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · TALC · TITANIUM DIOXIDE · TRIACETIN
View source label →
18

Synthon Pharmaceuticals, Inc. nothing flagged on the label

US label (DailyMed) · TAMSULOSIN HYDROCHLORIDE CAPSULE [SYNTHON PHARMACEUTICALS, INC.] · label dated Dec 02, 2025

Inactive ingredients ALCOHOL · BUTYL ALCOHOL · FD&C BLUE NO. 2 · FERRIC OXIDE RED · FERRIC OXIDE YELLOW · FERROSOFERRIC OXIDE · GELATIN, UNSPECIFIED · ISOPROPYL ALCOHOL · METHACRYLIC ACID AND ETHYL ACRYLATE COPOLYMER · MICROCRYSTALLINE CELLULOSE · POTASSIUM HYDROXIDE · PROPYLENE GLYCOL · SHELLAC · TALC · TITANIUM DIOXIDE · TRIETHYL CITRATE · WATER
View source label →

Try it live

Or screen tamsulosin right now

DailyMed updates daily and we have ~76 drugs in our static landing pages — for everything else, the live search is faster.

Screen tamsulosin live →

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

Other drugs people look up

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.