Allergy DN II
Generic name: chlorpheniramine maleate and methscopolamine nitrate
Dosage form: tablets
Drug class:Upper respiratory combinations
Medically reviewed by Drugs.com. Last updated on Sep 21, 2021.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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Day Dose - 4 mg chlorpheniramine maleate and 2.5 mg methscopolamine nitrate
Night Dose - 8 mg chlorpheniramine maleate and 2.5 mg methscopolamine nitrate
Allergy DN II Description
Each Day tablet contains: | Each Night tablet contains: | ||
Chlorpheniramine Maleate | 4 mg | Chlorpheniramine Maleate | 8 mg |
Methscopolamine Nitrate | 2.5 mg | Methscopolamine Nitrate | 2.5 mg |
Chlorpheniramine maleate is an antihistamine having the chemical name 2-Pyridinepropanamine, γ-(4-chlorophenyl)-N, N-dimethyl-, (Z)-2-butenedioate (1:1); C16H19CIN2•C4H4O4, MW = 390.86.

Methscopolamine nitrate is an anticholinergic having the chemical name 3-Oxa-9-azoniatricyclo [3.3.1.0