Types of psoriatic arthritis

There are five different types of psoriatic arthritis.1

Symmetric arthritis1

  • Symmetric arthritis usually affects the same joints on both sides of the body – usually, multiple pairs of joints, for example, the right and left knees or right and left elbows, are affected.

Asymmetric arthritis1

  • Asymmetric arthritis typically involves one to three joints in the body can occur in any joint, such as the elbow, knee, wrist, or a finger. Asymmetric psoriatic arthritis does not usually affect the same joints on both sides of the body.

Distal interphalangeal predominant (DIP)1

  • DIP usually affects the joints in the fingers and toes closest to the nail.

Spondylitis1

  • Spondylitis is inflammation of the spinal column. Many people with psoriatic arthritis will have stiffness in the neck, lower back, pelvic area, or spinal vertebrae, making motion painful. Spondylitis can also affect connective tissue, such as ligaments, or cause arthritis disease of the joints of the arms, hips, legs, or feet.

Arthritis mutilans1

  • Arthritis mutilans is a severe, deforming, and destructive form of psoriatic arthritis. It usually affects the small joints of the hands and feet, but can also cause pain in the neck and lower back. Fortunately, this type of psoriatic arthritis is rare.