Behavioral Poop Holding
Our 3.5 year old boy has SPD and has had recurring bouts of poop holding (i.e., he has to go but actively fights against allowing the poop to come out). This is fear of the sensation of the bowl movement, not "constipation" related to hardness of the poop or related "dietary" issues.
We have used Miralax for the last 2 years and it has helped, but recently it has lost its effectiveness (we have adjusted dosage accordingly, dosage isn't the problem). Its that our son has grown stronger and can resist the need to go better than ever.
We are currently on a cycle of 3 or 4 days of lots of very small "abbreviated" (ie, leakage, "pinched off", etc.) poops occurring with lots of screaming and crying and anxiety, and eventually, around day 5 of the cycle (if we are lucky), 1 large, extremely painful, poop. What to do? We are going insane!