1. Piles (Hemorrhoids) Piles are swollen and enlarged blood vessels in and around the anus or lower rectum. Common symptoms: * Bright-red bleeding during or after bowel movements * Pain or discomfort, especially with external piles * Itching or irritation around the anus * Swelling or a lump near the anus * Prolapse of internal piles in some cases Common contributing factors: * Constipation and straining during bowel movements * Prolonged sitting on the toilet * Low-fiber diet * Pregnancy * Heavy lifting and increased abdominal pressure Treatment: Depending on severity, treatment may include dietary and lifestyle changes, medicines, office procedures, or surgery.