Sorvate Ointment is used for treatment of inflammatory skin diseases such as psoriasis. It works on extra skin cells which may build up and form scales of the skin. This medicine slows down the growth of these cells and also decreases the activity of immune cells in the skin. Sorvate Ointment is for external use only. Apply it in the quantity as advised by your doctor. Before applying the ointment, the affected area should be clean and dry. It is advised to wash hands thoroughly before and after application of this medicine. The side effects of this medicine include blistering or itching. If these symptoms persist for a longer duration, consult your doctor. Do not take any other form of vitamin D along with this medicine without consulting your doctor.