It is characterised by well defined erythematous plaques with adherent silvery scales. More common in Europe and North America. Often seen between 15 to 40 yrs. Aetiology Real aetiology is unknown. The individual lesions are well demarcated and are red with dry silvery white scaling.
Most common sites involved are scalp, elbow, knee and lower back.
Usually seen in the children and adolescents. The individual lesions of the rash are small and scaly. The bouts of guttate psoriasis clear in months but the patient may develop plaque pattern later. Areas of scaling are interspread with normal scalp. Significant hair loss occurs only if there is gross involvement.