Hi Kalyan garu, Homoeopathy can cure Anal Fistula completely without any side effects. The indicated Homoeopathy remedies for Anal Fistula are Ratanhia, Graphitis, Paeonia, Acid.Nitricum etc. But selection of the medicines depends upon age, onset of the disease, causative factor, since how long you are suffering from the disease? and symptoms. Symptoms and medicines also vary from patient to patient. Better to take doctor’s advice before taking the medicines. Please call on +918885920000 to know more details about Anal ulcers. A Healthy outside starts from the inside. Stay Healthy with one of the “Best Homeopathic treatments” @ Dr. AnkiReddy’s clinic.