Some parents worry that children who use inhaled corticosteroids may not grow as tall as other children. A very small difference in height and growth was found in children who were using inhaled corticosteroids compared to children not using them. 3 And one study showed a very small difference in height [about in. ( cm) ] in adults who used inhaled corticosteroids as children compared to adults who did not use inhaled corticosteroids. 4 But the use of inhaled corticosteroids has important health benefits for children who have asthma. If you are worried about the effects of asthma medicines on your child, talk with your doctor.