Psoriatic Arthritis- People who have psoriasis may experience psoriatic arthritis, a kind of inflammatory arthritis. It is an autoimmune condition in which healthy cells and tissues are attacked by the body’s immune system. Psoriatic arthritis symptoms might include painful, swollen joints, stiffness, exhaustion, and changes to the nails. Swollen or painful areas around the joints are another symptom of psoriasis. Common symptoms include: *Morning stiffness *Nail changes, such as pitting, discoloration, or separation from the nail bed *Inflammation of the tendons where they attach to the bones *Lower back pain *Plantar fasciitis, or inflammation in the heel of the foot