Haemorrhoids, also known as piles, are swellings that contain enlarged blood vessels that are found inside or around the bottom of the rectum and anus. Hemorrhoids are vascular structures in the anal canal. In the normal state , they are cushions that help with stool control. They become pathological or piles. when swollen or inflamed. At this point the condition is technically known as hemorrhoidal disease. They're most common in adults of 45-65 years, though men are more likely to get them than women.
Classification of Hemorrhoid:They are classified as ‘internal’ or ‘external’ by where they are located in relationship to the pectinate line, the dividing point between the upper 2/3 and lower 1/3 of the anus. Internal hemorrhoids are located above the pectinate line and are covered with cells that are the same as those that line the rest of the intestines. External hemorrhoids arise below the line and are covered with cells that resemble skin. Hemorrhoids become an issue only when they begin to swell, causing itching, pain and/or bleeding. Hemorrhoid swelling occurs when there is an increase in the pressure in the small vessels that make up the hemorrhoid causing them to swell and engorge with blood.
Signs & Symptoms of Hemorrhoid: Pain, and swelling in or around the rectum and anus, especially during defecation. Low fiber diet and smaller caliber stool causes a person to strain when having a bowel movement, increasing the pressure within the blood vessels.Symptomatic hemorrhoids are thought to affect at least 50% of the US population at some time during their lives, and around 5% of the population is affected at any given time. Extrapolated Prevalence 395,669 Population Estimated Used 10,348,2762. Both sexes experience about the same incidence of the condition, with rates peaking between 45 and 65 years.