The symptoms of psoriasis include:
Areas of itchy, scaly skin on the scalp, knees, elbows, and upper body; these deep-pink, raised plaques of skin have white scales.
Psoriasis on fingernails and toenails can make the nails become thick, pitted, and discolored; nails may separate from underlying nail bed.
Red, scaly, cracked skin with tiny pustules on the palms of the hands and/or feet; you may have pustular psoriasis.
Symptoms of psoriatic arthritis include: