| Occupational and Environmental background
have a major role in causing certain type of anemia:
Benzene exposure can cause aplastic anemia and acute
leukemia. Lead exposure (battery factory work, gasoline
sniffing ) will cause lead poisoning. Pure vegetarian
might cause B12 and iron deficiency. Increase alcohol
intake will cause folate deficiency, toxic effect on
hematopoiesis, sideroplastic anemia.
Unusual cravings (pica) will cause iron deficiency (eats
ice) or lead poisoning (eats paint or plaster).
Travel history; parasites (iron deficiency from
hookworm, mixed deficiencies from malabsorption due to
Giardia), Malaria can cause hemolytic anemia.
Exposure to a very cold temperatures will cause IgM cold
agglutinin, IgM antibodies. The release of histamine
from mast cell after warm shower in vulnerable people
will cause myeloproliferative disease manifesting itself
with itching and autoimune hemolytic anemia.
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