Newborn tummy ache

Khloé • Happily married to my middle school sweetheart! 👪💑mommy of 2 💙 💗carrying #3💛
Help! My 4 day okd has a really bad tummy ache!!! Its causing him to be very very fussy and when i wake him to eat, i have to fight for almost an hour to calm him before he will latch on! His cry is like a screech from the pain. What can i do to help