Currently the use of psoriasis cream is the most popular type of treatment doctors provide When psoriasis is severe, psoriasis cream is often used in connection with other forms of treatment. The effects of steroids used in psoriasis cream have shown great success in reducing the appearance of lesions on the skin. Another benefit is that this type of medication topical treatment is usually inexpensive. With these products, psoriasis is controlled by suppressing the immune system in the affected areas. Another form of psoriasis cream includes the vitamin D3 analog series. It inhibits the production of these cells and does not allow for them to mature. Also used to treat severe acne, topical retinoids are chemically related to vitamin A. Like the steroid creams, it is easy to use and has been successful for many patients. With the advancement of some of the other topical creams, tar based psoriasis creams have fallen out of favor somewhat. However since the other types are just as effective and have fewer side effects, tar topicals aren’t prescribed as often any more.