helpppp baby poop

Alena

my 3 week old has been pooping balls for days. please help I don't know how to soften it. I tried prune juice, I tried Karo syrup, I tried a q-tip with petroleum jelly, and I even switched formulas. i went from cows milk formula to goat milk formula. I'm at a loss how do I soften it. my pedi recommended the Karo syrup. nothing works