My son is six months old and has been on milk based lactose free formula since he was two and a half months. It worked for a little over two months but we have been seeing his spit up becoming more and more. We add rice cereal to thicken it up *doctors orders* but it is still projectile at times, also he is still quite gassy and arches his back occasionally during feedings? any advice would be helpful!

My son is six months old and has been on milk based lactose free formula since he was two and a half months. It worked for a little over two months but we have been seeing his spit up becoming more and more. We add rice cereal to thicken it up *doctors orders* but it is still projectile at times, also he is still quite gassy and arches his back occasionally during feedings? any advice would be helpful!