Promethazine Hydrochloride 25 mg

Generic for PROMETHAZINE HYDROCHLORIDE

TABLETORALRPK Pharmaceuticals, Inc.NDC: 53002-4021Updated: Mar 2026

Active Ingredient

⚠️ 1 ingredient flagged as common allergen

Lactose Monohydrate

⚠️ Yes — Dairy

Filler/Binder

Hydroxypropyl Cellulose

Binder/Coating

Low-substituted Hydroxypropyl Cellulose

Disintegrant/Binder

Magnesium Stearate

Lubricant

Ingredient	Purpose	Common Allergen?	Description
Lactose Monohydrate	Filler/Binder	⚠️ Yes — Dairy	A sugar derived from milk. Common allergen for lactose-intolerant individuals and those with dairy allergies.
Hydroxypropyl Cellulose	Binder/Coating	No	A cellulose derivative used as a binder, film-coating agent, and thickener. Plant-derived.
Low-substituted Hydroxypropyl Cellulose	Disintegrant/Binder	No	A cellulose derivative that swells in water, used as a disintegrant and binder in tablets. Plant-derived.
Magnesium Stearate	Lubricant	No	A lubricant that prevents ingredients from sticking to manufacturing equipment.

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

2 ingredients may contain mammalian-derived components:

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