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Gastritis
Gastritis
is
inflammation
of the lining of the
stomach
. It may occur as a short episode or may be of a long duration. The most common symptom is upper
abdominal pain
. Other symptoms include
nausea
and
vomiting
, bloating, loss of appetite, and
heart burn
. Others may have no symptoms. Complications may include
bleeding
,
stomach ulcers
, and
stomach tumors
. When due to
autoimmune problems
,
low red blood cell
s due to not enough
vitamin B12
may occur, a condition known as
pernicious anemia
.
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