Metabolic Disorders

ADA Deficiency – Overview, Causes, and Prognosis.

ADA Deficiency – Description Adenosine deaminase (ADA) deficiency is an inherited disorder that damages the immune system and causes severe combined immunodeficiency (SCID). People with SCID lack virtually all immune protection from bacteria, viruses, and fungi. They are prone to repeat and persistent infections that can be very serious or …

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Pellagra: Introduction, Symptoms and Prevention.

Introduction A disorder due to inadequate dietary intake of niacin and/or tryptophan, manifested by a characteristic dermatitis on areas of the skin that are exposed to the sun, beginning as an erythema with pruritus that may lead to vesticulation but more frequently becomes chronic, rough, scaly, and hard with the …

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