When the pressure on the veins in the rectal region increases, they swell. These swellings resemble a bag of worms and are referred to as Piles or Hemorrhoids The term Haemorrhoids is more used in the American continent. Piles or Hemorrhoid is also the ultimate penalty we pay as a result of our evolution that has made us walk upright.
External Hemmorrhoids can be felt outside the anus and can be irritating and painful. There is visible swelling around your anus, and you are likely to experience irritation, itching, pain, discomfort, and bleeding in more severe cases.
Internal Hemorrhoids develops inside your rectum usually aren't painful. However, if you strain while passing stools, you may cause bleeding or push internal hemorrhoids out, resulting in irritation and pain.
A Fistula is an abnormal tube-like connection that forms between two organs or vessels inside the body.
Patients can have different symptoms depending on which parts of the body are connected by the fistula.