Kofclear LS Expectorant is used to treat mucus-producing coughs. It facilitates coughing by thinning the mucus in the lungs, windpipe, and nose. Kofclear LS Expectorant relieves mucus-producing coughs. Thick mucus is loosened, which facilitates coughing. Additionally, it expands and relaxes the airway muscles. This facilitates breathing and lessens coughing frequency. Additionally, Kofclear LS Expectorant will alleviate allergy symptoms such as sneezing, runny nose, watery eyes, and irritation of the throat. To alleviate the symptoms, gargle with warm salt water and drink plenty of lukewarm water in addition to your prescription drugs.