Preservative/Solvent
A preservative and solvent used in injectable and topical formulations.
Preservative
A paraben preservative used to prevent microbial growth. Can cause contact dermatitis in paraben-sensitive individuals.
Colorant
A synthetic blue dye. Less commonly allergenic than other dyes but reactions are documented.
Capsule Shell
Derived from animal collagen. Used in capsule shells. Not suitable for vegetarians/vegans or those with specific animal protein sensitivities.
Preservative
A preservative used to prevent microbial growth. Can cause allergic contact dermatitis in sensitive individuals.
Preservative
A paraben preservative used to prevent microbial growth. Can cause contact dermatitis in paraben-sensitive individuals.
Wetting Agent
A surfactant used to improve drug dissolution. Can cause skin irritation in some individuals.
Colorant
Lubricant
Glidant
Preservative
Disintegrant/Filler
Colorant/Opacifier
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| Benzyl Alcohol | Preservative/Solvent | ⚠️ Yes — Benzyl Alcohol |
| Butylparaben | Preservative | ⚠️ Yes — Parabens |
| FD&C Blue No. 1 | Colorant | ⚠️ Yes — Dye |
| Gelatin | Capsule Shell | ⚠️ Yes — Animal |
| Methylparaben | Preservative | ⚠️ Yes — Parabens |
| Propylparaben | Preservative | ⚠️ Yes — Parabens |
| Sodium Lauryl Sulfate | Wetting Agent | ⚠️ Yes — Surfactant |
| D&C Yellow No. 10 | Colorant | No |
| Edetate Calcium Disodium | — | No |
| Magnesium Stearate | Lubricant | No |
| Silicon Dioxide | Glidant | No |
| Sodium Propionate | Preservative | No |
| Starch, Corn | Disintegrant/Filler | No |
| Titanium Dioxide | Colorant/Opacifier | 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):
2 ingredients may contain mammalian-derived components:
Other versions of Nortriptyline Hydrochloride that avoid allergens found in this formulation.