Can a sickle cell anemia patient gain weight? if so how or what ways?

Sickle cell, wt gain: This is a tough question. With increase of metabolic rate due to the body trying to replace RBC's that's life span is 20 days instead of 120 days, increase of calories is important. Hydration is very important to avoid crisis episodes. New therapy with Hydroxyurea is showing promise in the area of weight gain. A diet high in Omega N3 fatty acid is important as is avoiding excess iron.