Hemorrhoids Treatment
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What is an Internal and External
Hemorrhoid?
The anal canal contains two kinds of nerves. The first are the visceral nerves located above the dentate line. The second kind of nerves is the somatic nerve which is below the dentate line. As the name suggests, the somatic nerve can sense pain like the skin nerves can. On the other hand, the visceral nerves only feel pressure like the nerves in the intestines. In this case, the internal hemorrhoids which are located above the dentate line can not feel pain.
As is continue to enlarge, the anal cushion of the internal hemorrhoid protrudes into the anal canal. Usually, it may drag with it the rectal lining above, lose its normal anchoring and finally protrude from the anus giving way to the condition called a prolapsing internal hemorrhoid. In this condition, the hemorrhoid is pressed by hard stool passing.
This causes pain and bleeding. The lining of the rectum that has been dragged by the hemorrhoidal cushion secretes mucus that moistens the anus and the skin surrounding it. Feces can also leak into the anal skin. Though not a common symptom of hemorrhoid, itchiness can occur.
The protruding hemorrhoid usually retreats back into the rectum or can be pushed back inside with a finger. It protrudes again during the next bowel movement. Rarely does a prolapsing hemorrhoidal cushion cannot be pushed back inside. When it doesn’t, it is called as incarcerated hemorrhoid. Blood supply to this incarcerated hemorrhoid is shut of the anal sphincter and the cushion can die and develop gangrene. Immediate medical treatment is required for this complication.
Internal hemorrhoids can have varying degrees of severity and a physician uses a grading system which is as follows:
- First-degree hemorrhoid: bleeds but no prolapsing
- Second-degree hemorrhoid: prolapses and retracts on its own volition,
may not bleed
-
Third-degree hemorrhoid: prolapses but can be pushed back by a finger
- Fourth-degree hemorrhoid: prolapses and can’t be pushed back, can
also include thrombosed hemorrhoid (involves blood clotting)
Generally, symptoms of an external hemorrhoid differ from those of an internal hemorrhoid’s. External hemorrhoids can be experienced as bulges at the anus. But they rarely display the typical symptoms.
The reason is an external hemorrhoid is situated low along the canal and so has little or no effect at all during bowel movement. The difficulty with external hemorrhoid begins when blood clots inside the cushions which give way to the condition called thrombosis.
This results to an anal lump which is causes severe pain. A thrombosed hemorrhoidal
cushion leaves a scar when healed, leaving a tag of skin protruding from
the anus. The protruding skin makes anal cleaning very hard and can irritate
the anus.
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