7 yo son not potty on his own. since 2yo been on miralax (polyethylene glycol) n now ex lax. gi specialist suggest he's unwilling to go and is holding it. what to do!?

Constipation: This is such a terrible problem! Your specialist is right in that this is a behavioral disorder in children. They have a painful stool at some point, then they decide they'll never go again! The with holding behavior compounds the problem. Your goal is to get a daily soft stool. Increase veggies, fruits and water intake. I like mineral oil as a stool softener, one tbsp twice daily.

Constipation: has your child been on laxatives since the age of 2 seems a very long time laxative use causes a lot of water minerals and if your child does not rehydrate it only makes the problem worse. Please have your primary care to have a team of professionals that include a psychologist psychiatrist or counselor and a dietician support from family and friends will greatly aid in successful outcome