Hemorrhoids are swollen veins situated in the lower rectum and anus.  These can occur from excessive pressure to these veins, often due to prolonged straining during bowel movements.
Symptoms include itching, pain, https://www.facebook.com/proctologiaclinica/posts/sangue-nas-fezes-n%C3%A3o-%C3%A9-sempre-hemorroidaneste-carrossel-voc%C3%AA-vai-ver-em-poucos-c/1435381361464877/