VASODRYL (Pediatric)

Chlorpheniramine Maleate binds to the histamine H1 receptor. This block the action of endogenous histamine, which subsequently leads to temporary relief of the negative symptoms brought on by histamine. Sodium Citrate is believed to increase bronchial secretion by salt action. They are direct acting. Ammonium Chloride is gastric irritant but reflex enhance bronchial secretion & sweating.