Anemia due to hemorrhoids and blood in the stool depends on the amount of blood in the stool and the duration of the stool, and it is not possible to directly specify how long it will take to become anemic. Hemorrhoids usually occur when the veins around the rectum and anal canal are repeatedly affected by constipation and other factors, eventually causing rupture. Whenever constipation strikes or spicy and irritating foods are consumed, localized symptoms worsen, leading to bleeding. Clinical according to the location of hemorrhoids are divided into internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, different parts of the bleeding is also different, some for the drip-like bleeding, some for the jet-like bleeding, so the degree of anemia caused by different. Hemorrhoids bleed a lot or bleed for a long time, the speed of anemia is fast, bleeding less or bleeding time is short, the speed of anemia is slow. If you want to know whether you are anemic, you can go to the hospital to get a blood test to clarify. Hemorrhoids blood in the stool, need to actively consult the doctor, under the guidance of the physician reasonable treatment.