A serious complication of taking folate tablets is the possible masking of vitamin B-12 deficiency anemia. Do not start taking folate supplements until your doctor has made sure you do not have vitamin B-12 deficiency anemia. The prevention of anemia depends on its cause. If your anemia is caused by a deficiency in your diet, eating foods rich in the missing nutrient will help to prevent a recurrence. Dehydration can trigger a sickle cell crisis.
Genetic counseling is important for families with inherited anemias.
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