Sweetener/Vehicle
A corn-derived sweetener. Problematic for individuals with corn allergy.
Solvent/Humectant
A synthetic glycol used as a solvent and humectant in topical formulations.
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.
Emollient/Emulsifier
A branched-chain fatty alcohol used as an emollient and emulsifier in topical formulations.
pH Adjuster/Buffer
Bittering Agent
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| Corn Syrup | Sweetener/Vehicle | ⚠️ Yes — Corn Syrup |
| Dipropylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol |
| FD&C Blue No. 1? | Colorant | Uncertain — Dye |
| FD&C Red No. 40? | Colorant | Uncertain — Dye |
| Isostearyl Alcohol? | Emollient/Emulsifier | Uncertain — Stearyl Alcohol |
| Alzamer-50? | — | No |
| Anhydrous Citric Acid | pH Adjuster/Buffer | No |
| Caldiamide Sodium? | — | No |
| Denatonium Benzoate? | Bittering Agent | No |
| Flour? | — | No |
| Monosodium Citrate? | — | No |
This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.
Other versions of DIPHENHYDRAMINE HCL that avoid allergens found in this formulation.