Amydramine Expectorant Syrup is used for Cough relief, Amydramine Expectorant Syrup contains Ammonium Chloride, Diphenhydramine Hcl, Menthol, and Sodium Citrate as active ingredients. Amydramine Expectorant Syrup works by increasing the excretion of extracellular electrolytes and water out of the body; suppressing the histamine-1 receptor sites on effector cells; temporarily relieving minor pain.