My 6 month old twists and turns and arches his back whenh aving his bottle. Is he ok?

Since birth? One of the many signs of reflux is babies that arch their backs and seem uncomfortable when feeding, sometimes they seem as if they are choking on their milk. Has he had this since birth? Have you discussed with your doc? Is the milk coming out of the bottle to quickly? This can cause the symptoms you describe. Things to consider is how is he growing, how frequently he has problems or spit up-.