Prazosin Hydrochloride 1 mg

CAPSULEORALAidarex Pharmaceuticals LLCNDC: 33261-860Updated: Mar 2026

Active Ingredient

PRAZOSIN HYDROCHLORIDE — 1 mg

Inactive Ingredients (Fillers)

⚠️ 1 ingredient flagged as common allergen

Anhydrous Lactose

⚠️ Yes — Dairy

Filler/Binder

D&C Yellow No. 10

Colorant

Magnesium Stearate

Lubricant

Starch, Corn

Disintegrant/Filler

Titanium Dioxide

Colorant/Opacifier

Ingredient	Purpose	Common Allergen?	Description
Anhydrous Lactose	Filler/Binder	⚠️ Yes — Dairy	A water-free form of lactose (milk sugar) used as a filler and binder in tablets. Derived from dairy — must be avoided by individuals with lactose intolerance or milk allergy.
D&C Yellow No. 10	Colorant	No	A synthetic yellow dye (quinoline yellow) used in medications and cosmetics. May cause reactions in individuals with dye sensitivities.
Magnesium Stearate	Lubricant	No	A lubricant that prevents ingredients from sticking to manufacturing equipment.
Starch, Corn	Disintegrant/Filler	No	Corn-derived starch used as a filler, binder, or disintegrant. May affect individuals with corn allergy or sensitivity.
Titanium Dioxide	Colorant/Opacifier	No	A white pigment used for coating opacity. Under regulatory review in some countries.

Exclusion Groups

This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.

🌾Gluten 🔴Alpha-Gal Syndrome 🥛Milk / Lactose 🎨Dyes & Colorants 🌱Not Vegan ☪️Halal Concern ✡️Kosher Concern 🥦Not Vegetarian

Dietary & Safety Information

Cross-Contamination Risk (source-dependent)

1 ingredient may have cross-contamination risk with gluten (source-dependent):

Starch, Corn — May contain (source-dependent)

Alpha-Gal Syndrome Risk

2 ingredients may contain mammalian-derived components:

Anhydrous Lactose(Possible — May be mammalian-derived; some alpha-gal patients react (verify source).)
Magnesium Stearate(Possible — Stearates can be plant- or animal-derived (verify source).)

Allergen-Free Alternatives

Other versions of Prazosin Hydrochloride that avoid allergens found in this formulation.

Alembic Pharmaceuticals Inc. — 1 mg

Dairy-free

Compare

Alembic Pharmaceuticals Inc. — 2 mg

Dairy-free

Compare

Alembic Pharmaceuticals Inc. — 5 mg

Dairy-free

Compare

Alembic Pharmaceuticals Limited — 1 mg

Dairy-free

Compare

Alembic Pharmaceuticals Limited — 2 mg

Dairy-free

Compare

AllergenMaps

Ingredient

Purpose

Common Allergen?

Anhydrous Lactose

Filler/Binder

⚠️ Yes — Dairy

D&C Yellow No. 10

Colorant

Magnesium Stearate

Lubricant

Starch, Corn

Disintegrant/Filler

Titanium Dioxide

Colorant/Opacifier

Dietary & Safety Information

Cross-Contamination Risk (source-dependent)

1 ingredient may have cross-contamination risk with gluten (source-dependent):

Starch, Corn — May contain (source-dependent)

Alpha-Gal Syndrome Risk

2 ingredients may contain mammalian-derived components:

Anhydrous Lactose(Possible — May be mammalian-derived; some alpha-gal patients react (verify source).)
Magnesium Stearate(Possible — Stearates can be plant- or animal-derived (verify source).)