Stools only at night

My son charlie is 2 yrs old and had hd from birth he had a stoma and had his pull through at 5 months. He has one sachet of movicol a day. But only passses stools at night.anyone had this kind of experience please let me know

Simon

What time of day do you give him movicol? Maybe you can try giving it at a
different timeā€¦if you give in AM give in PM or vice versa.