do hemorrhoids feel better from pressure applied
About Hemorrhoids â Hemorrhoids are swollen veins in the anal canal. Too much pressure on the veins in the pelvic and rectal area causes hemorrhoids. Normally, tissue inside the anus fills with blood to help control bowel movements.If you strain to move stool, the increased pressure causes the veins in this tissue to swell and stretch. This can cause hemorrhoids.Diarrhea or constipation also may lead to straining and can increase pressure on veins in the anal canal. Pregnant women can get hemorrhoids during the last 6 months of pregnancy. This is because of increased pressure on the blood vessels in the pelvic area.his can cause hemorrhoids. Diarrhea or constipation also may lead to straining and can increase pressure on veins in the anal canal. Pregnant women can get hemorrhoids during the last 6 months of pregnancy. This is because of increased pressure on the blood vessels in the pelvic area.