Chlorsig is used to treat an eye infection called bacterial conjunctivitis, which is a bacterial infection involving the mucous membrane of the surface of the eye. This product is only available for sale over the counter after consultation with a qualified pharmacist to ensure that the product is used safely and effectively as per requirements of the Therapeutic Goods Administration of Australia (TGA). Please click the on the Store Finder link at the top of the page to locate your nearest Terry White Chemist. The most common symptom of bacterial conjunctivitis is the presence of a sticky yellow-white discharge with mucus and pus (or glued eyes, especially in the morning on waking). Other symptoms include a gritty sensation in the eye, redness, irritation and watering of the eyes. The infection usually starts in one eye and then spreads to the other.