Mendil Syrup is a combination medication manufactured by Globe Pharmaceuticals Ltd. in Bangladesh. Each 5 ml of the syrup contains 14 mg of Diphenhydramine Hydrochloride and 2 mg of Levomenthol. Diphenhydramine is an antihistamine with antitussive (cough-suppressing) and antihistaminic properties, while Levomenthol acts as a decongestant and has anti-inflammatory effects. This combination provides effective relief from cough and associated symptoms such as nasal congestion and irritation.