 are you riddled with pain  over 100 different disorders can be classified as arthritis some can affect 1 or more joints whereas others have their most significant effects on other parts of the body more detailed information on these disorders is available at the arthritis foundation web site listed here are some of the other most common arthritic conditions ankylosing spondylitis bursitis fibromyalgia gout infectious arthritis psoriatic arthritis reactive arthritis scleroderma systemic lupus erythematosus sle tendonitis tendinitis if you think that you or someone you care for may have a rheumatic condition see a doctor ankylosing spondylitis this condition primarily affects the spine but it may also cause arthritis in the hips shoulders and knees the tendons and ligaments around the bones and joints in the spine become inflamed symptoms include pain and stiffness especially in the lower back ankylosing spondylitis tends to develop during late adolescence or early adulthood bursitis bursitis involves inflammation of the bursae which are small fluidfilled sacs that help reduce friction between bones and other moving structures in joints the inflammation may result from arthritis in the joint or from injury or infection of the bursae symptoms include pain tenderness and limited movement of the involved joint fibromyalgia this chronic syndrome is associated with pain and stiffness throughout the tissues that support and move the bones and joints pain and localized tender points occur in the muscles and tendons particularly those of the neck spine shoulders and hips other common symptoms include widespread pain fatigue and sleep disturbances gout gout results from deposits of needlelike crystals of uric acid in the connective tissue near joints and or in the joint space symptoms include inflammation swelling and pain in the affected joint often the big toe psoriatic arthritis this condition occurs in some patients with psoriasis a common scaling skin disorder psoriatic arthritis often affects the joints at the ends of the fingers and causes changes in the fingernails and toenails reactive arthritis reactive arthritis can develop after an infection of the lower urinary tract intestines or other organs it is commonly associated with eye problems skin rashes and mouth sores scleroderma also known as systemic sclerosis scleroderma means hard skin scleroderma is an autoimmune disease that almost always affects the skin blood vessels and joints a more serious form also affects internal organs such as the lungs and kidneys in scleroderma patients there is an excessive production of collagen a fiberlike protein in the involved areas of skin or internal organs systemic lupus erythematosus sle also known as lupus sle is an autoimmune disease in which the immune system harms the body s cells and tissues this can result in inflammation and damage to the joints skin kidneys heart lungs blood vessels or brain tendonitis tendonitis this condition refers to inflammation of tendons tough cords of tissue that connect muscle to bone caused by overuse injury or arthritisproducing conditions symptoms include pain tenderness and restricted movement of nearby joints  getting comfort  