Description
A decrease in red blood cells that happens when the body can't absorb enough vitamin B-12.
Overview
Pernicious anemia is a decrease in red blood cells that occurs because the body can't absorb enough vitamin B-12. Common causes include a weakened stomach lining or an autoimmune condition.
Symptoms
Symptoms include fatigue and weakness. Untreated pernicious anemia can cause heart and nerve damage.
Treatments
Treatment involves vitamin B-12 shots or pills.
Last Updated: August 18th, 2023
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