Although psoriasis may be almost unnoticeable in its early stages, people often report an itching and/or burning sensation as the disease progresses.

There are many variants and types of psoriasis. But usually the course follows like this: It starts with red small bumps on the skin that progress to bigger scaly patches. The condition is associated with lot of itching. As the scales accumulate, pink to deep red plaques with a white crust of silvery scales appear on the skin surface.

Although psoriasis may affect any area of the body, it is most commonly found on the scalp, elbows, knees, hands, feet, and genitals.

Psoriasis has many variants. The common ones are as follows:

- Plaque psoriasis is the most common type of the disease and is characterized by raised, thickened patches of red skin covered with silvery-white scales. Its scientific name is psoriasis vulgaris.
- Scalp psoriasis is a common variant of Psoriasis, which is relatively more difficult to treat. Please click on the link to read an elaborate write up on scalp psoriasis.
- Pustular psoriasis is characterized by pus-like blisters. Attacks of pustular psoriasis may be triggered by medications, infections, emotional stress, or exposure to certain chemicals. Pustular psoriasis may affect either small or large areas of the body.