HERNIA Hernia is an abnormal protrusion of internal organs through an abnormal opening in the wall of the cavity.A combination of increased pressure inside the body with weakness in the wall is responsible for this condition.In this condition internal organs or parts of organs are protruded out forming a swelling which will increase the size with coughing and lifting weight,and while passing stool and urine.In lying down position the swelling goes inside except in strangulated and irreducible hernia. Causes 1, Weakness in the body wall:-- a) Congenital weakness. b) Acquired weakness due to injuries,wasting of muscles,suppurative lesions in the wall and presence of weak natural openings,obesity,lack of exercise,repeated pregnancy. c) Surgical operation with improper suturing or sepsis of operated site. 2) Increased pressure inside the body. a) Chronic constipation. b) Recurrent cough. c) Weight lifting. d) Stricture of urethra.