Colorant
A widely used artificial red dye. Among the most common dye allergens.
Corn syrup and high fructose corn syrup are used as sweeteners and flavoring agents in liquid medications and chewable tablets.
Preservative
A food preservative. Can cause urticaria and exacerbate asthma in sensitive individuals.
Sweetener/Coating
Common table sugar. Problematic for individuals with sucrose intolerance or congenital sucrase-isomaltase deficiency.
pH Adjuster/Buffer
Colorant
Humectant/Solvent
Skin Conditioner
Tonicity Agent
Buffer
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| FD&C Red No. 40 | Colorant | ⚠️ Yes — Dye |
| High Fructose Corn Syrup | — | ⚠️ Yes — Corn Syrup |
| Sodium Benzoate | Preservative | ⚠️ Yes — Sodium Benzoate |
| Sucrose | Sweetener/Coating | ⚠️ Yes — Sucrose |
| Anhydrous Citric Acid | pH Adjuster/Buffer | No |
| D&C Red No. 33 | Colorant | No |
| Glycerin | Humectant/Solvent | No |
| Hamamelis Virginiana Top Water | Skin Conditioner | No |
| Sodium Chloride | Tonicity Agent | No |
| Trisodium Citrate Dihydrate | Buffer | No |
This medication contains ingredients flagged in the following groups. Patients with these sensitivities should consult their prescriber.
1 ingredient may contain mammalian-derived components:
Other versions of Diphenhydramine HCl that avoid allergens found in this formulation.