Thanks for posting your query.
is due to spasm of internal & external anal sphincter and passage of hard stools.
Diltigesic ointment contains diltiazem
and it is a calcium channel blocker
It helps in relaxation of anal sphincters and cure of anal fissure.
You should apply diltigesic ointment along with lignocaine.
You should also take hot sitz bath three times in day; half fill of bath tub with lukewarm water and sit in it 20-30 min. This also helps in relaxation of anal sphincter.
It will take 5-7 days for cure.
Dr. Mayank Bhargava