Mostly it appears to be fissure or some parasitic infection
Next Steps
1. Start sitz bath (warm water bath) you can see you tube videos for the same
2. avoid oily and spicy food
3. take plenty of liquids, fruits and vegetables to avoid constipation
4. syp. cremaffin 20ml at night
5. apply lignocaine NF ointment twice daily
Hope this helps you
stay blessed 🙏🏻