There are several types of psoriasis which differ in severity and have unique, identifiable symptoms. The types of psoriasis range in severity from mild to severe. Erythrodermic psoriasis of the few skin-condition emergencies, it is a rare but very serious complication of psoriases. This is a rare and severe form of psoriasis, in which the skin surface becomes scaly and red. The condition is very similar to, but less disabling than, rheumatoid arthritis. Many patients are able to tolerate methotrexate with few side effects. Xerotic eczema (winter itch, pruritus hiemalis) is dry skin that becomes so serious it turns into eczema. Emergency.cdc.gov.
Topical corticosteroids have improved the management of many inflammatory skin diseases, such as psoriasis and atopic dermatitis. Early diagnosis is important, as these infections can rapidly progress into more serious skin manifestations.