3 month constipation!!! HELP

First time mom here!!!! I need help my 3 month old son is constipated for the first time and I have tried oatmeal, apple juice, Pedialyte, gripe water, warm baths and lots and lots of tummy time... nothing is helping!!!! I mean if I were constipated I would just take laxatives but he’s to little.... idk what to do!!!! I’ve been up for 48 hours straight and this mama is going crazy with my side bun from 2 days ago😂😂😂 HELP ME!!!!! 😂😂😂