How can we reduce phlegm because my 4 yr old doesnt spit the mucus coming from his throat? How can we naturally help toddlers gain muscle weight? My 4 yr old is 13 kg but active otherwise

A. You can actually nebuliser child that is going to help in reduction of congestion in the form of motion for the child and secondly if you want to gain muscle for the child and it is better to take a proper diet plan with a nutritionist oldies