Immunological conditions affect the body's defence system. They may involve reduced protection against infection, excessive immune responses or attacks on healthy tissue. Their effects vary widely because the immune system works throughout the body.
An autoimmune condition in which the pancreas produces little or no insulin, requiring lifelong insulin therapy.
Chronic inflammatory bowel diseases that can cause abdominal pain, diarrhea, bleeding and fatigue.
An immune-mediated disease of the brain and spinal cord that can affect movement, sensation, vision and energy.
A chronic immune-mediated skin condition causing inflamed, scaly plaques that may flare and remit.
A rare inflammatory skin disorder causing rapidly developing, painful ulcers, often on the legs.
Connective-tissue and vascular disorders that can affect skin, circulation, joints and internal organs.
Severe reactions that cause widespread blistering, skin loss and injury to mucous membranes.
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