It is not clear exactly how widely dexamethasone is used. Over the past few years, three major pediatric associations in the United States, Canada and Europe — including the American Academy of Pediatrics — have recommended against using the steroid in premature babies, because of side effects that include holes in the stomach or intestine
Steroids have been proven to help these babies who are developing chronic lung disease — but tests are needed to find the lowest possible doses, and to see how these children do in the long term
there is relation between dexamethasone and low IQ,,and further lung infection