A lack of the disease-fighting antibody called immunoglobulin A (IgA) may cause frequent infections or serious complications.
Disease
Wilson's disease
This inherited disease causes copper to build up in vital organs, especially the liver, brain and eyes. It's treatable when caught early.
Disease
Brachial plexus injury
Learn about these nerve injuries that usually result from auto or motorcycle accidents, and find out which procedures can help restore arm function.
Disease
Sacroiliitis
This joint inflammation can cause pain in the buttocks or lower back. The pain can go down one or both legs.
Disease
Septic arthritis
Learn about this painful infection in a joint and why quick treatment can help lessen joint damage.
Disease
Scleroderma
This group of rare diseases involves the hardening and tightening of the skin and connective tissues. Some forms can affect internal organs.
Disease
Rheumatoid arthritis
This ongoing condition can affect more than just the joints. It also can damage skin, eyes, lungs, heart and blood vessels.
Disease
Thoracic outlet syndrome
This group of conditions is caused by pressure on the blood vessels or nerves between the collarbone and rib. The pressure can cause pain and numbness.
Disease
Ulnar wrist pain
Ulnar wrist pain occurs on the side of your wrist opposite your thumb. The pain can become severe enough to prevent you from doing simple tasks.
Disease
Golfer's elbow
Golfers, tennis players and others who repeatedly use their wrists or clench their fingers can develop this painful condition.
Disease
Arteriosclerosis / atherosclerosis
Learn about the symptoms, causes and treatments for hardening of the arteries.
Disease
Bullous pemphigoid
Learn about the symptoms, treatment and self-care strategies for the itchy blisters of this skin condition that affects older adults.