Colorant
A synthetic blue dye. Less commonly allergenic than other dyes but reactions are documented.
Colorant
A synthetic dye that may cause reactions in dye-sensitive individuals.
Colorant
A synthetic green dye (Fast Green FCF) used in medications. May cause reactions in dye-sensitive individuals.
Colorant
A widely used artificial red dye. Among the most common dye allergens.
Capsule Shell
Derived from animal collagen. Used in capsule shells. Not suitable for vegetarians/vegans or those with specific animal protein sensitivities.
Wetting Agent
A surfactant used to improve drug dissolution. Can cause skin irritation in some individuals.
Abrasive/Adsorbent
Colorant
Colorant
Lubricant
Coating Agent
Glidant
Disintegrant/Filler
Colorant/Opacifier
| Ingredient | Purpose | Common Allergen? |
|---|---|---|
| FD&C Blue No. 1 | Colorant | ⚠️ Yes — Dye |
| FD&C Blue No. 2 | Colorant | ⚠️ Yes — Dye |
| FD&C Green No. 3 | Colorant | ⚠️ Yes — Dye |
| FD&C Red No. 40 | Colorant | ⚠️ Yes — Dye |
| Gelatin | Capsule Shell | ⚠️ Yes — Animal |
| Sodium Lauryl Sulfate | Wetting Agent | ⚠️ Yes — Surfactant |
| Aluminum Oxide | Abrasive/Adsorbent | No |
| D&C Yellow No. 10 | Colorant | No |
| Ferrosoferric Oxide | Colorant | No |
| Magnesium Stearate | Lubricant | No |
| Shellac | Coating Agent | No |
| Silicon Dioxide | Glidant | 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.