Hello dear Warm welcome to Healthcaremagic.com I have evaluated your query thoroughly . * The reasons can be of different possibilities as - anal fissure - hemorrhoid - drug induced which may be consumed for fever - constipation related hard stool - others . * Needs clinical diagnosis with proctoscopy evaluation by general surgeon . * Primary guidelines for better outcome - Consume more liquids with soft diet . - Avoid all spices , oily , non veg stuffs temporarily . - Manage regular smooth bowel evacuations . - Sitz bath ( sitting in a tub filled with lukewarm water 5 minutes each 2 times a day ) Hope this clears your doubt . Wishing you fine recovery . Welcome for any further assistance . Regards take care .