Natural Treatment of Anal Fistula Introduction Herbal Remedies Diet and Lifestyle About Anal FistulaAnal Fistula or fistula-in-ano is the abnormal communication between the epithelial surface of the anal canal and perianal skin. Anal fistula is frequently the result of previous or current anal abscess. Fistula can occur spontaneously or secondary to anal abscess. Anal fistula is termed as Bhagandara in Ayurveda. It means the condition resulted due to laceration or lesion in guda (anus) bhanga (Pubic region) basti (area of