Hello i am Dr BirmaRam Hudda answering your question i can understand your concern and i will help you in best possible way this cold be due to fissure or fistula in anus, infected anal gland or perianal abscess if you can upload me a complete medical history like history of constipation or anal sex history of pain or itching around anus in my opinion you should consult a general surgeon for examination and battery of tests like blood for hemoglobin CBC liver function test blood sugar avoid constipation by taking liquid paraffin and dietary fibers Anaesthetic ointment like lignocaine to be applied locally hot water bath twice daily please feel free to ask for more clarification best wishes