when my girl wasn't diagnosesed CAH,i was ofcen felt that her hot flash.i nursed her i could feel her mouth so hot.but if mearsured her,the temperture is not very hight.and this condition would last short time and occured ofcen.after she eat cortef this condition changed .i read some paper,when baby lacked cortef,their will fever without known reason.is your baby spirit as usually?if not i suggest you noticed that cortef is eoungh? good lucky.yong yan