ONDANSETRON (ONDANSETRON) 4 mg

TABLET, FILM COATEDORALProficient Rx LPNDC: 63187-236Updated: Mar 2026

Active Ingredient

ONDANSETRON HYDROCHLORIDE — 4 mg

Inactive Ingredients (Fillers)

⚠️ 1 ingredient flagged as common allergen

Lactose Monohydrate

⚠️ Yes — Dairy

Filler/Binder

Croscarmellose Sodium

Disintegrant

Ferric Oxide Yellow

Colorant

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Starch, Corn

Disintegrant/Filler

Titanium Dioxide

Colorant/Opacifier

Triacetin

Plasticizer

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.
Croscarmellose Sodium	Disintegrant	No	A chemically modified cellulose derivative that helps tablets dissolve quickly.
Ferric Oxide Yellow	Colorant	No	Yellow iron oxide pigment used in tablet coatings and capsule shells. A mineral-based colorant.
Hypromellose	Coating	No	A semisynthetic polymer used for tablet coating. Derived from cellulose.
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.
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.
Triacetin	Plasticizer	No	Glyceryl triacetate. A plasticizer used in film coatings to make them flexible and prevent cracking.

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:

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).)

AllergenMaps

Ingredient

Purpose

Common Allergen?

Lactose Monohydrate

Filler/Binder

⚠️ Yes — Dairy

Croscarmellose Sodium

Disintegrant

Ferric Oxide Yellow

Colorant

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Starch, Corn

Disintegrant/Filler

Titanium Dioxide

Colorant/Opacifier

Triacetin

Plasticizer

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:

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).)