Hello, my baby is 7 months old when ever he eats the rice he face the constipation his poty become tight. please help

A. it is common after any diet change . Baby may not poop on daily daily basis during this age group . No need to worry for this . Baby may pass poop in 2 to 3 days or may be not pass up to 7 days . Can use glycerine suppository for this . No any other medication needed .