Piles are a condition in which the vein around the rectum or anus becomes larger than their normal size. It is painful and also known as hemorrhoids. The veins are enlarged both externally and internally. External hemorrhoids are visible outside anus while internal can be seen only when they are severe. Piles are caused due to less fibrous diet, ageing, hereditary, pregnancy and constipation. Though painful and unpleasant it can be cured with few home remedies.