Psoriasis is a chronic skin condition that causes skin cells to grow too quickly. The result is thick white or red patches of skin. The patches (called plaques) can range in size from small to large. They usually occur on the knees, elbows, scalp, hands, feet, or lower back.
ByHealthwise StaffPrimary Medical ReviewerAdam Husney, MD - Family MedicineMartin J. Gabica, MD - Family MedicineAmy McMichael, MD - Dermatology