Follow your doctor's instructions. Take your medication as prescribed. 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 counselling is important for families with inherited anemias.
Adapted from materials developed by Phyllis G. Cooper, R.N., M.N., and Clinical Reference Systems.