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.
Sweetener
pH Adjuster/Buffer
Bittering Agent
Buffer
Chelating Agent
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| Dipropylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol |
| FD&C Blue No. 1? | Colorant | Uncertain — Dye |
| FD&C Red No. 40? | Colorant | Uncertain — Dye |
| Acesulfame Potassium? | Sweetener | No |
| Anhydrous Citric Acid | pH Adjuster/Buffer | No |
| Denatonium Benzoate? | Bittering Agent | No |
| Disodium Citrate Sesquihydrate? | Buffer | No |
| Edetate Disodium | Chelating Agent | No |
| Flour? | — | No |
| Maltitol | — | No |
This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.
Other versions of DIPHENHYDRAMINE HCL, PHENYLEPHRINE HCL that avoid allergens found in this formulation.