Hello, Confirm you really suffering from psoriasis. It can look like eczema or other skin disease.so diagnosis some time difficult. Psoriasis is a chronic skin condition caused by an overactive immune system. System include flaking, inflammation, thick white, silvery or red patches of skin. Treatment includes steroid cream, occlusion, light therapy, some oral medication such as biologics. Some topical ointments like salicylic acid, vectical, Dovonex.retinoids, phototherapy may help. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Vaishali Krishna, Diabetologist