Internal hemorrhoids can occur when there is increased pressure within the internal hemorrhoidal veins. This extra pressure can result in symptoms such as anal discomfort and bright-red blood appearing on the stool or on toilet paper. Factors that can increase a person’s risk of developing this condition include straining to move stool, obesity, and a high-fat, low-fiber diet. Treatment strategies usually involve dietary changes and modified bowel habits. In cases where these changes do not relieve symptoms, surgery may be recommended.
What Are Internal Hemorrhoids?
The term “hemorrhoids” refers to a condition in which the veins around the anus or lower rectum are swollen and inflamed. Several groups of veins surround the rectum and anus — one group is known as internal hemorrhoidal veins, the others are known as external hemorrhoidal veins. As the name suggests, internal hemorrhoids affect the internal hemorrhoidal veins.
As mentioned, internal hemorrhoids are caused by increased pressure within the internal hemorrhoidal veins. A number of conditions can increase pressure within the internal hemorrhoidal veins. These include: