& legs: 1  Serious condition of the kidney, heart, liver or blood vessels. 2  Varicose veins or inflammation of the veins (phlebitis). 3  Trauma, such as an ankle sprain. 4  Poor diet that's high in salt and carbohydrates. 5  Sodium retention. 6  Allergic reactions. 7  Neuromuscular disorders. 8  Birth control pills.
What Is Psoriatic Arthritis? Psoriatic arthritis is a form of arthritis (joint inflammation) that can occur in people who have the skin disease psoriasis. Psoriasis is a common condition characterized by scaly red and white skin patches. Psoriatic arthritis can affect any joint in the body, including the spine.
Not everyone who has psoriasis will get psoriatic arthritis, even though the conditions are often related. Psoriasis causes patches of scaly, red, or white skin called plaques. Psoriatic arthritis sets off joint swelling and pain that can lead to permanent damage. Your immune system is responsible for both. Inflammation is part of both psoriasis and psoriatic arthritis.