Better to apply ointment before passing stool for greasing effect so that there is less friction during passage of stools Sometimes the dosage of laxatives are inadequate for your body type .. you need to re consult your surgeon And lastly if u still feel you have constipation .. get one CECT scan to rule out possibility of other causes of constipation

Pain in the operative site is common for any anal surgeries. Continue the pain killers and sitz bath as prescribed by your surgeon.