Pernicious anemia is a disease in which not enough red blood cells are produced due to a deficiency of vitamin B12. Those affected often have a gradual onset, and the most common initial symptoms are feeling tired and weak. Other symptoms may include shortness of breath, feeling faint, a smooth red tongue, pale skin, chest pain, nausea and vomiting, loss of appetite, numbness in the hands and feet, and difficulty walking, and without treatment, some of these problems may become permanent.
Facts
Classification
Body SystemLymphatic or Immune System 1 ICD-10 ChapterIII: Diseases of the Blood and Blood-Forming Organs and Certain Disorders Involving the Immune Mechanism 1 Communicable or Non-communicable Transmission Route Causative Agent
Causative Agent (category) First Described Sources
1. Wikipedia: ICD-10
WikipediaList of chapters, Chapter IIIQuote, List of chapters, Chapter III
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
2. Wikipedia: Non-communicable disease
WikipediaLead section, transmission-route statement (inferred from disease-category)
NCDs include Parkinson's disease, autoimmune diseases, strokes, heart diseases, cancers, diabetes, chronic kidney disease, osteoarthritis, osteoporosis, Alzheimer's disease, cataracts, and others.
Named examples section
NCDs include Parkinson's disease, autoimmune diseases, strokes, heart diseases, cancers, diabetes, chronic kidney disease, osteoarthritis, osteoporosis, Alzheimer's disease, cataracts, and others.
View the Source 3. Pernicious anemia (Wikipedia)
Wikipedia History section
A case of anemia with a first recognition of associated atrophic gastritis a feature of pernicious anemia, was first described in 1824 by James Combe.
lead paragraph
Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B12.
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