Question for parents #1a - IYO how long is too long

...either without a bowel movement, or without a substantial (or copious) bowel movement?
In other words, after how many days of them not really doing a good stinker would you give your kids a suppository or enema?

This is a supplement to
https://similarworlds.com/therapy/enema/parenting-constipation-encopresis-withholding/5171345-Poll-question-for-parents-which-of-these-do-you-administer
because there hasn't really been any conversation going on in the comments section