Viagra (sildenafil citrate) 50 mg

TABLET, FILM COATEDORALViatris Specialty LLCNDC: 58151-427Updated: Mar 2026

Active Ingredient

SILDENAFIL CITRATE — 50 mg

Inactive Ingredients (Fillers)

⚠️ 2 ingredients flagged as common allergens

FD&C Blue No. 2

⚠️ Yes — Dye

Colorant

Lactose

⚠️ Yes — Dairy

Filler/Binder

Anhydrous Dibasic Calcium Phosphate

Filler/Binder

Croscarmellose Sodium

Disintegrant

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Titanium Dioxide

Colorant/Opacifier

Triacetin

Plasticizer

Ingredient	Purpose	Common Allergen?	Description
FD&C Blue No. 2	Colorant	⚠️ Yes — Dye	A synthetic dye that may cause reactions in dye-sensitive individuals.
Lactose	Filler/Binder	⚠️ Yes — Dairy	Milk sugar used as a filler and binder in tablets and capsules. Derived from dairy — must be avoided by individuals with lactose intolerance or milk protein allergy.
Anhydrous Dibasic Calcium Phosphate	Filler/Binder	No	A water-free calcium phosphate salt used as a filler, binder, and source of calcium in tablet formulations.
Croscarmellose Sodium	Disintegrant	No	A chemically modified cellulose derivative that helps tablets dissolve quickly.
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.
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.

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

Dietary & Safety Information

Alpha-Gal Syndrome Risk

2 ingredients may contain mammalian-derived components:

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).)

AllergenMaps

Ingredient

Purpose

Common Allergen?

FD&C Blue No. 2

Colorant

⚠️ Yes — Dye

Lactose

Filler/Binder

⚠️ Yes — Dairy

Anhydrous Dibasic Calcium Phosphate

Filler/Binder

Croscarmellose Sodium

Disintegrant

Hypromellose

Coating

Magnesium Stearate

Lubricant

Microcrystalline Cellulose

Filler/Binder

Titanium Dioxide

Colorant/Opacifier

Triacetin

Plasticizer