my baby didn't poop for 4days what should I do

A. Constipation is common in this age and a lot of times kids can go without pooping for 10 to 15 days at a stretch without any discomfort so there’s nothing to be done in that case the feeds are proper child comfortable then don’t do anything or otherwise in case of emergency you can put us a suppository into the anal region of the child to clear the system within 3 to 5 hours