Dallergy Syrup

Generic name: chlorpheniramine maleate, phenylephrine hydrochloride and methscopolamine nitrate
Dosage form: syrup
Drug class:Upper respiratory combinations

Medically reviewed by Drugs.com. Last updated on Mar 22, 2022.

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.

Dallergy Syrup

DESCRIPTION:
Each 5 mL (1 teaspoonful) contains:
Chlorpheniramine Maleate..... 2 mg
Phenylephrine Hydrochloride..... 8 mg
Methscopolamine Nitrate..... 0.75 mg

Chlorpheniramine Maleate is an antihistamine having the chemical name 2-pyridinepropanamine, γ-(4 chlorophenyl)-N,
N-dimethyl-, (Z) -2- butenedioate (1:1).

Phenylephrine HCl is a decongestant having the chemical name Benzenemethanol, 3-hydroxy-α-[(methylamino)
methyl]-, hydrochloride.

Methscopolamine is an anticholinergic having the chemical name 3-Oxa-9-azoniatricyclo, [3.3.1.0] nonane, 7-(3-hydroxy-
1-oxo-2-phenylpropoxy)-9, 9-dimethyl-,nitrate,[7(S)-(1α, 2β, 4β, 5α, 7β)]-.

DALLERGY® SYRUP contains ingredients of the following therapeutic classes: nasal decongestant, antihistamine, and
antisecretory agent.

CLINICAL PHARMACOLOGY:

Chlorpheniramine Maleate is an alkylamine type antihistamine. This group of antihistamines is among the most
active histamine antagonists and is generally effective in relatively low doses. The drugs are not so prone to
produce drowsiness and are among the most suitable agents for daytime use; but again, a significant proportion
of patients do experience this effect.

Phenylephrine Hydrochloride is a sympathomimetic which acts predominantly on alpha receptors and has little
action on beta receptors. It, therefore, functions as an oral nasal decongestant with minimal CNS stimulation.

Methscopolamine Nitrate is a quaternary ammonium derivative of scopolamine, which possesses the peripheral
actions of the belladonna alkaloids, but does not exhibit the central actions because of its lack of ability to cross
the blood-brain barrier. In this formulation, it is used