Haemorrhoids are enlarged, congested veins just under the surface tissue of your rectum the last part of your bowel or your anus the opening of your bowel. Haemorrhoids that occur in your rectum are called internal haemorrhoids, and those that occur around your anus are called external haemorrhoids. You may notice blood usually bright red on the toilet paper or in the toilet after having a bowel movement, and bleeding can be painless. However, they can bleed, especially when you pass a stool.
Rectal Problems | HealthLink BC
Anal swelling can occur for a variety of reasons. Most causes of a swollen anus are temporary and harmless, but some require medical attention. The anus is at the end of the rectum, and muscle surrounds it. Depending on the cause of the swelling, people may have additional symptoms, such as pain, itching, burning, or bleeding around the anus. In this article, we discuss the possible causes of a swollen anus and explain how doctors diagnose and treat these conditions. An anal fissure is a small rip or tear that occurs in the lining of the anus. Damage to the lining of the anus or overstretching it, possibly during a bowel movement, can cause an anal fissure.
What Causes Rectal Pain?
Hemorrhoids are swollen veins in the anal canal. This common problem can be painful, but it's usually not serious. Veins can swell inside the anal canal to form internal hemorrhoids.
The anus is the opening at the end of your anal canal. The rectum sits between your colon and anus and acts as a holding chamber for stool. When pressure in your rectum becomes too great, the internal ring of muscle called the anal sphincter relaxes to allow stool to pass through your anal canal, the anus, and out of your body. The anus consists of glands, ducts, blood vessels, mucus, tissues, and nerve endings that can be highly sensitive to pain, irritation, and other sensations. Depending on the cause, a swollen anus can feel warm, cause sharp or burning pain especially after a bowel movement , and even produce bleeding and pus.