Hello I share your concern Looking at your description, it seems to be related any of following conditions crack or inflammation due to friction ingrowing of hair Fissure in Ano infected anal gland In my opinion you should apply anaesthetic ointment like lignocaine and keep it moist and aerated You should avoid constipation by taking laxative or still softeners until it heals completely Sitz bath twice daily is advisable. maintain good hygiene, shave it if you have grown up hairs Hope I could answer your question, please do let me know if you have any more queries, I will gladly answer you. Best wishes