PHENYLEPHRINE+DEXTROMETHORPHAN+CETIRIZINE+MENTHOL belongs to the class of medications called 'cough and cold preparations' primarily used to treat dry cough. In addition to this, it also helps to treat allergic symptoms like runny nose, watery eyes, sneezing, throat irritation. Cough is a reflex action that helps to clear any foreign irritant or mucus in the throat. Mostly cough lasts for a short time (two to three weeks), so it is acute. But sometimes, if it is persistent for more than eight weeks which can lead to chronic cough. Dry cough refers to cough where there is no mucus or secretion along with cough.