preview PSORIASIS -Is a chronic, inflamatory disease. -Skin cells build up and form scales , itchy , dry patches. -most commonly manifest on the skin of the elbows, knees, scalp, lumbosacral areas. Symptoms -skin rashes, redness, dryness, flakiness, peeling -bleeding on scratching the involved skin -pain in joints Aggravates by -Cold, dry weather -stress -Infections -Allergies