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Doctor insights on: Can You Explain The Difference Between Anal Fissure And Anal Fistula

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Can you explain the difference between anal fissure and anal fistula?

Can you explain the difference between anal fissure and anal fistula?

Tear vs. Tunnel: An anal fissure is a tear in the lining of the anal canal, just inside the opening, and typically causes pain and bleeding. An anal fistula is an abnormal communication (tunnel) from inside the anal canal out to the perianal skin, usually the result of a prior perirectal abscess. It may cause drainage, swelling, discomfort and recurrent abscesses. Both are treatable conditions. ...Read more

Fissure (Definition)

Grooves or clefts in various anatomical structures such as the brain (transverse fissure between cerebrum & cerebellum), the skull (sphenoidal fissure), the liver (for the ligamentum teres), the lung (oblique fissure), the spinal cord (ventral median fissure), or other structures such as the palpebral fissure between upper & lower eyelids. Can also be a tear in a structure ...Read more


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What the difference between anal fissure and anal fistula?

What the difference between anal fissure and anal fistula?

Tear / tract: A fissure is s a tear in the anal mucosa. A fistula is a tunnel deeper in the tissues with one opening on the outside and another opening on the inside of the anal canal or lower rectum. ...Read more

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What is the difference between anal fissure/ fistula and a hemorrhoid?

What is the difference between anal fissure/ fistula and a hemorrhoid?

Different problems: An anal fissure is a tear in the lining of the anal canal causing pain and bleeding. An anal fistula is a tunnel from inside the anal canal out to the perianal skin. It may cause drainage, pain and swelling. There are internal hemorrhoids which may prolapse and cause bleeding, discomfort and itching, and external hemorrhoids which may cause pain or difficulty with cleaning. ...Read more

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Please help! What is the difference between anal fissure/ fistula and hemorrhoid?

Please help! What is the difference between anal fissure/ fistula and hemorrhoid?

Different: Hemorroid--engorged blood hemorrhoidal blood vessel

fistula--connection between anal skin and inside your anus or rectum

fissure--skin tear. ...Read more

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What are the differences between fistula ani, anal fissure and hemorroid? Thank You

What are the differences between fistula ani, anal fissure and hemorroid? Thank You

Different diseases: Different common ano-rectal diseases. Fissure is crack in anal canal, hemorrhoids are varicose veins like vascular structures protruding from anorectal area under the mucous membrane, anal fistula communicate with a internal opening at anorectal junction to external opening (s) in perennial area. See you doctor will tell your problem. ...Read more

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What are the differences between an anal fissure/fistula and hemorrhoid?

What are the differences between an anal fissure/fistula and hemorrhoid?

Very different: Hemorrhoids are veins that dilate in the rectum, can be internal or external. Fissure is a crack on the skin of the anal canal, cause severe pain when having a bowel movement. Fistula is a connection between the inside of the rectum and the skin surrounding the anus. Usually start as an abscess around the anal canal, very painful too ...Read more

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How can a proctologist tell if it's a fissure fistula or a anal fissure?

Exam: Physical examination by a trained professional. Fissure is a crack or tear on the surface of the anal skin. A fistula is an infected tunnel running underneath the anal skin. ...Read more

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How do you know if you have a fissure fistula or a anal fissure? Would my proctologist know what I have?

Yes: Fistulae usually case infections and painful lumps (abscesses) fissures more commonly cause pain with defecation and some small amount of bleeding. An exam will help your md decide. ...Read more

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What is the distinction between anal fissure/fistula and hemorrhoid?

What is the distinction between anal fissure/fistula and hemorrhoid?

All different: An anal fissure is a small tear in the mucosa that lines the anus. An anal fistula is tract between the anal canal and the skin. A hemorrhoid is a 'varicose (dilated) vein" of the anal canal. ...Read more

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What are the chances that my anal fissure will get infected and turn into an abscess/fistula? That would be my worst nightmare.

What are the chances that my anal fissure will get infected and turn into an abscess/fistula? That would be my worst nightmare.

Anal fissure: Although of course it is possible, the vast majority of anal fissures never turned into an abscess or fistula, especially when treated early. I would follow the advice of your doctor or gastroenterologist, and know that the chances that that could happen will be very slim. Good luck. ...Read more

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Is it possible to have an anal fistula that is only an inch long? Connects from top of healing fissure (no pain) & pus drains/collects nearby

Yes: Absolutely.

This happens. As a fissure is healing, it can form a small subcutaneous sinus that becomes a fistula.

I have seen that several times. It heals very well because it usually involves no sphincter muscle and is readily treated with a simple fistulotomy. ...Read more

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How effective is the fistula plug? My surgeon said that according to his experience, it's about 70%. Is it worth trying? Or go with anal fissure?

How effective is the fistula plug? My surgeon said that according to his experience, it's about 70%. Is it worth trying? Or go with anal fissure?

Different: Anal fissures and fistulas are different problems. Fissures are tears, fistulas are tunnels or tracts. A fissure is not treated with a plug. Anal fistulas can somtimes be treated with a plug. It is worth trying, If it doesn't work, other surgical options are available. ...Read more

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I have Crohn's disease. How can I tell the difference between an anal fistula (had one surgically removed 10 years ago) and a hemorrhoid?

I have Crohn's disease. How can I tell the difference between an anal fistula (had one surgically removed 10 years ago) and a hemorrhoid?

You can not but: Your doctor can, due to training and experience. When crohn's disease involves anorectal area, recurrent fistulas, infections, pain, drainage, local infections are common, make the diagnosis difficult, tissue biopsy (pathology) is the only way to distinguish from other conditions. ...Read more

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What is the difference between prominent veins and varicose veins? When I have anal fistula I have restless leg and developed to have prominent veins.

What is the difference between prominent veins and varicose veins? When I have anal fistula I have restless leg and developed to have prominent veins.

Varicose Veins: varicose veins are a result of venous insufficiency secondary to broken venous valves. It usually progresses to pain, swelling, skin darkening of the legs and sometime it may cause restless leg syndrome. It can also lead to superficial thrombophlebitis and subsequently to deep vein thrombosis. This should be treated and I recommend seeing a general surgeon who treats Varicose veins. ...Read more

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How to tell the difference between a anal fissure and hemroids?

Anal Fissure: An anal fissure is like a cut. Hemorrhoids are distended veins at the anus. Both of these hurt very much. A physical exam by a physician would be best if you have never been examined for this. ...Read more

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What is the difference between anterior/posterior anal fissure and lateral anal fissure? What is considered abnormal in terms of anal fissure location

Posterior / anterior: Most "normally located" fissures are due to passage of hard, dry stools or explosive diarrrhea. These are almost exclusively posterior in men but can be anterior in up to 10% of women. These respond well to lateral internal sphincterotomy.
Secondary anal fissures are associated with crohn disease, leukemia and certain other neutropenic blood conditions. Surgery should be avoided. ...Read more

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I want to know what is the difference between hemorrhoids and an anal fissure?

I want to know what is the difference between hemorrhoids and an anal fissure?

See below: Hemorrhoids are enlarged veins that occur at the anal opening and can cause bleeding or discomfort. An anal fissure is a tear or crack in the lining of the skin at the anal opening. A fissure is generally quite painful & can bleed a little. See a doctor for an exam to tell the difference. ...Read more

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How to tell the difference between an anal fissure and an anal fissure caused by the herpes virus? Are other symptoms involved when its caused by hsv?

How to tell the difference between an anal fissure and an anal fissure caused by the herpes virus? Are other symptoms involved when its caused by hsv?

Herpes unlikely: Herpes can cause lesions similar to anal fissure, but the large majority of anal fissures are not herpes. However, if the fissure is new (within a few days), it is difficult or impossible to tell for sure only by symptoms. Initial herpes usually causes multiple lesions and often fever, etc; but maybe no other symptoms with recurrent herpes. See your doctor for diagnosis and treatment. ...Read more

Dr. Sewa Legha
4 Doctors shared insights

Anal Fistula (Definition)

An anal fistula is an abnormal connection or tract that connects the inside lining of the colon or rectum with the outside skin. It intermittently drains pus and can cause discomfort, pain, itching, and other symptoms. It most commonly occurs as a consequence of an abscess in the same area. This may require outpatient surgery ...Read more


Fistula (Definition)

A fistula is an abnormal connection between two places. Most commonly, it originates somewhere in the intestine and communicates to another location in the intestine or in the skin. A fistula can develop after abdominal surgery, with inflammatory bowel disease, cancer, anorectal abscess, and ...Read more