Histalix Expectorant Syrup is a combination medication containing Diphenhydramine Hydrochloride, Ammonium Chloride, and Levomenthol. This 150ml syrup formulation helps relieve cough symptoms by acting as both an expectorant and soothing agent. Histalix is manufactured by Wallace Pharmaceuticals. The syrup contains active ingredients that work together to help thin and loosen mucus while providing cough relief. As with any medication, this product should be taken as directed by a healthcare professional and stored properly in its original packaging.