Hydroxychlorouine Sulphate Tablets IP is a medication used primarily to treat and prevent malaria, as well as to manage certain autoimmune conditions such as rheumatoid arthritis and lupus erythematosus. In the context of malaria prevention, it is often taken once weekly, starting one to two weeks before entering an area where malaria is endemic, and continuing for four to eight weeks after leaving the area. Moreover, it is important to take Hydroxychlorouine Sulphate Tablets IP exactly as prescribed by a healthcare professional and to continue taking it for the full course of treatment, even if symptoms improve.