Modern medicine explains reason for Psoriasis as a combination of factors that include genetic, environmental and predisposition. Members of the same family are more prone to the skin disease and this shows that the gene has a major role in causing the disorder. Immune system is also responsible for this disorder. Lack of immunity invites all such diseases to skin.Any part of the body that looks red or pink with swelling or itchy feeling can be due to Psoriasis. Scalp, knees and elbows are the areas where this skin disease is likely to see. In some areas Psoriasis look like small flattened bumps, where in some areas it will be like dry and thick plaques of skin or mild pink scaly skin.
There are several different types of Psoriasis. It can be classified based on symptoms and appearance as
Psoriasis vulgaris – Common type of Psoriasis.
Guttate psoriasis – Appears like small, drop like spots on the affected area.
Inverse psoriasis –this type is seen commonly in the folds like under arm, buttocks and navel.
Pustular psoriasis – This appears as small yellow blisters filled with pus.