This conditions presents itself in a variety of forms and can occur on different parts of the body.

• Plaque psoriasis appears as dry scaly patches of the skin and is the most common form
• Guttate psoriasis appears as small dots on the skin that start out pink and eventually scaly.
• Inverse psoriasis appears as smooth red lesions primarily found in the armpit, groin, and skin folds.
• Pustularpsoriasis appears as small white fluid filled blisters that contains whie blood cells.
• Palmo-plantar putulosis is a localized type of pustular psoriasis that appears on the hands and feet.
• Erythrodermic psoriasis develops over large areas of the body and skin is red with excess shedding of fine scales.
• Scalp psoriasis appears on the the scalp as red lesions covered with scales.
• Nail psoriasis can produce nail changes such as pitting, thickening, discoloration, and loosening of the nail from the nail bed.