L40: Psoriasis

L40.4: Guttate psoriasis

Your body’s own immune system plays a role in the development of psoriasis. The condition can be hereditary. Other family members may then be affected, too. Triggers such as skin irritations, stress or certain medications can make the condition worse.

Small, round, red areas have formed on your skin. The affected areas are typically distributed over the upper body, arms and legs. The nails may also change.