Sleep-Aid (Diphenhydramine HCl) 25 mg

TABLETORALARMY AND AIR FORCE EXCHANGE SERVICENDC: 55301-189Updated: Mar 2026

Active Ingredient

⚠️ 1 ingredient flagged as common allergen

FD&C Blue No. 1 Aluminum Lake

⚠️ Yes — Dye

Colorant

An insoluble form of FD&C Blue No. 1 (Brilliant Blue) used in tablet coatings. May cause reactions in dye-sensitive individuals.

Croscarmellose Sodium

Disintegrant

Dibasic Calcium Phosphate Dihydrate

Filler/Binder

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Silicon Dioxide

Glidant

Stearic Acid

Lubricant

Ingredient	Purpose	Common Allergen?	Description
FD&C Blue No. 1 Aluminum Lake	Colorant	⚠️ Yes — Dye	An insoluble form of FD&C Blue No. 1 (Brilliant Blue) used in tablet coatings. May cause reactions in dye-sensitive individuals.
Croscarmellose Sodium	Disintegrant	No	A chemically modified cellulose derivative that helps tablets dissolve quickly.
Dibasic Calcium Phosphate Dihydrate	Filler/Binder	No	A hydrated calcium phosphate salt used as a filler and binder in tablets. Also provides a source of calcium.
Magnesium Stearate	Lubricant	No	A lubricant that prevents ingredients from sticking to manufacturing equipment.
Microcrystalline Cellulose	Filler/Binder	No	Refined wood pulp used as a filler and binder. Generally inert and well-tolerated.
Silicon Dioxide	Glidant	No	A mineral (silica) used to improve powder flow during tablet manufacturing. Also called colloidal silicon dioxide.
Stearic Acid	Lubricant	No	A fatty acid used as a lubricant in tablet manufacturing.

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

2 ingredients may contain mammalian-derived components:

Stearic Acid(Possible — Stearates can be plant- or animal-derived (verify source).)
Magnesium Stearate(Possible — Stearates can be plant- or animal-derived (verify source).)