Colorant
A synthetic blue dye. Less commonly allergenic than other dyes but reactions are documented.
Colorant
A widely used artificial red dye. Among the most common dye allergens.
Capsule Shell
Derived from animal collagen. Used in capsule shells. Not suitable for vegetarians/vegans or those with specific animal protein sensitivities.
Filler/Binder
A sugar derived from milk. Common allergen for lactose-intolerant individuals and those with dairy allergies.
Wetting Agent
A surfactant used to improve drug dissolution. Can cause skin irritation in some individuals.
Colorant
Lubricant
Disintegrant/Filler
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| FD&C Blue No. 1 | Colorant | ⚠️ Yes — Dye |
| FD&C Red No. 40 | Colorant | ⚠️ Yes — Dye |
| Gelatin | Capsule Shell | ⚠️ Yes — Animal |
| Lactose Monohydrate | Filler/Binder | ⚠️ Yes — Dairy |
| Sodium Lauryl Sulfate | Wetting Agent | ⚠️ Yes — Surfactant |
| D&C Red No. 28 | Colorant | No |
| Magnesium Stearate | Lubricant | No |
| Starch, Corn | Disintegrant/Filler | No |
This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.
1 ingredient may have cross-contamination risk with gluten (source-dependent):
3 ingredients may contain mammalian-derived components:
Other versions of Diphenhydramine Hydrochloride that avoid allergens found in this formulation.