An overall view of systemic therapy is that these are medications that either alters genetic reaction to skin production or suppresses immune cells to give the skin time to return to a healthy state. Eczema, psoriasis, and other forms of dermatitis are some of the most common ailments to affect the general population. There are differences between the conditions, but most are described as a skin rash, usually accompanied by a painful, itching sensation. Regardless of the body region affected, the rash can make everyday task unpleasant and painful. For this reason, it is very important to find a solution to the psoriasis problem.