Too many diaper changes

So my baby basically feeds every 2.5-3 hours. I always change the diaper before feeding or else it can leak and I don't like him to have to be in tchanging? While eating. But then after the feeding I usually gotta change it again. It's kindof a waste to do 2 changes back to back but both times the diaper is loaded with pee, poop, or both. It tends to leak and get up his back if I don't do this. What is the solution? Am I stuck doing the back to back changings?