SyscoDryl Syrup with a powerful formulation of Diphenhydramine Hydrochloride IP 14.08 mg + Ammonium Chloride IP 138 mg + Sodium Citrate IP 57.03 mg + Menthol IP 1.14 mg provides symptomatic relief from productive (wet) cough, chest congestion, and throat irritation associated with the common cold, allergies, and other respiratory conditions. Diphenhydramine Hydrochloride acts as an antihistamine with antitussive properties to help relieve cough and allergy symptoms, while Ammonium Chloride and Sodium Citrate help loosen and clear mucus. Menthol provides a soothing, cooling effect on the throat and helps ease breathing discomfort.