Psoriasis symptoms vary from person to person and depend on what type you have. They may include one or more of the following: 1. Red patches of skin covered with silvery scales on face, scalp, and body 2. Small scaling spots 3. Dry, cracked skin that may bleed 4. Itching, burning, or soreness 5. Thickened, pitted, or ridged nails 6. Swollen and stiff joints.