When these glands become infected, drainage through the an infection can make a fistula. This infection is called a perianal abscess. (Often an anal fistula is also referred to as a perianal fistula. “Perianal” usually means in the region of your anus.) Other gastrointestinal disorders could potentially cause rectal bleeding https://sarthicare.com/fistula-treatment-in-bangalore-modern-techniques-for-quick-healing/