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.
Preservative
A preservative used to prevent microbial growth. Can cause allergic contact dermatitis in sensitive individuals.
Solvent/Humectant
An organic compound used as a solvent and humectant. Can cause contact dermatitis in sensitive individuals.
Preservative
A paraben preservative used to prevent microbial growth. Can cause contact dermatitis in paraben-sensitive individuals.
Sweetener
An artificial sweetener. Rare sensitivities reported, including skin reactions.
Preservative
A food preservative. Can cause urticaria and exacerbate asthma in sensitive individuals.
pH Adjuster/Buffer
Colorant
Sweetener/Filler
Buffer
Chelating Agent
Humectant/Solvent
Skin Conditioner
Preservative
pH Adjuster
Sweetener/Humectant
Sweetener
Thickener/Stabilizer
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| FD&C Blue No. 1 | Colorant | ⚠️ Yes — Dye |
| FD&C Red No. 40 | Colorant | ⚠️ Yes — Dye |
| Methylparaben | Preservative | ⚠️ Yes — Parabens |
| Propylene Glycol | Solvent/Humectant | ⚠️ Yes — Propylene Glycol |
| Propylparaben | Preservative | ⚠️ Yes — Parabens |
| Saccharin Sodium | Sweetener | ⚠️ Yes — Saccharin |
| Sodium Benzoate | Preservative | ⚠️ Yes — Sodium Benzoate |
| Anhydrous Citric Acid | pH Adjuster/Buffer | No |
| D&C Red No. 33 | Colorant | No |
| Dextrose | Sweetener/Filler | No |
| Disodium Citrate Sesquihydrate | Buffer | No |
| Edetate Disodium | Chelating Agent | No |
| Glycerin | Humectant/Solvent | No |
| Hamamelis Virginiana Top Water | Skin Conditioner | No |
| Potassium Sorbate | Preservative | No |
| Propyl Gallate | — | No |
| Sodium Hydroxide | pH Adjuster | No |
| Sorbitol | Sweetener/Humectant | No |
| Sucralose | Sweetener | No |
| Xanthan Gum | Thickener/Stabilizer | 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 Dextromethorphan HBr, Guaifenesin, Phenylephrine HCl, Acetaminophen, Diphenhydramine HCl, Phenylephrine HCl that avoid allergens found in this formulation.