Disease A-Z Library

Rx Blood, Metabolism, and Infectious Diseases (A – Z)

Browse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.

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Diseases A-Z

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Disease A-Z Library

Ancylostoma Infectious Disease

Ancylostoma infectious disease, commonly called hookworm infection, happens when tiny parasitic worms reach the small intestine and drink blood from the gut wall. The worms start...

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Disease A-Z Library

Ancylostoma

Ancylostoma is a group of hookworms—parasitic roundworms—that includes Ancylostoma duodenale (a human hookworm), A. ceylanicum (now recognized as infecting humans in parts of Asia), and animal...

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Amoebiasis Due to Free Living Amoebae

Amoebiasis due to free-living amoebae means infections in people caused by tiny single-celled organisms (amoebae) that normally live freely in the environment—especially water, soil, and dust....

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Acquired Haemoglobin H Disease

Acquired haemoglobin H (HbH) disease is a rare, adult-onset form of alpha-thalassaemia that appears later in life rather than being inherited from birth. It happens when...

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MCT8 Deficiency

MCT8 deficiency is a rare, inherited brain-development disorder caused by changes (variants) in a gene called SLC16A2. This gene makes a special “door” or transporter (named...

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Alkaptonuria

Alkaptonuria is a rare, lifelong, inherited disease of body chemistry. Your body normally breaks down the amino acids phenylalanine and tyrosine into smaller safe parts. One...

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