Yes you should continue the syp for at least 15 days. If the stool becomes soft or gets loose make it twice daily.
Give warm sitz bath daily for 2 times for 5-10 minutes.
Apply oint sucral ano if pain persists.
Show the child if everything is ok after 15 days for evaluation of cause of constipation
Next Steps
we would investigate about the cause of constipation whether dietary or anything else once he is asymptomatic
Health Tips
look for bleed, pain and severe constipation. if it conrinue better show as early as possible.