Hi, It is important to seek medical attention if you suspect that you have a blood blister near your anus, as this may be a sign of an underlying health condition or injury that requires treatment. Possible causes of blood blisters near the anus include hemorrhoids, anal fissures, or infections. Treatment options may include medications to relieve pain and inflammation, topical creams or ointments to reduce swelling and itching, or surgical procedures to remove the blister or address underlying issues. It is not recommended to pop a blood blister, as this can increase the risk of infection or further injury. Instead, you can apply a warm compress or soak in a warm bath to help reduce swelling and promote healing. To prevent further irritation or injury to the affected area, it is important to avoid constipation or straining during bowel movements, practice good hygiene by keeping the area clean and dry, and avoid using harsh soaps or toilet paper. If you are experiencing persistent or worsening symptoms, it is important to seek medical attention right away. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Priyanka, General & Family Physician