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Gastroenterology  (Expert Forum)
 | 
Clear liquid discharge from anus causing strong itching.
Answered by
Kevin Pho, MD - Internal Medicine
KevinMD.com
This forum is for questions regarding Gastroenterology issues such as Acid Reflux (GERD), Barretts Esophagus, Colitis, Colon/Bowel Disorders, Crohn's Disease, Diverticulitis/Diverticulosis, Digestive Disorders, IBS, Stomach Pain.

Clear liquid discharge from anus causing strong itching.

by Doodoo, Apr 11, 2007 12:00AM
My digestive system will react to certain foods like onions, cream, butter, heavy cheeses and satay sauces.  My reaction to these foods has only developed in recent years.  I am 46 years old.

When this occurs I first experience a strong itch in my anus. I then pass some stools but I then experience a discharge of a clear liquid that has a fish like smell and a slippery feel. I guess that it may be strongly acidic because it causes strong itching to the point where the skin around the anus becomes weak and may bleed. This discharge can continue for some hours (usually in the night time) perhaps until the offending food has moved through the system.

I have received medical advice on allergies but have not yet identified all foods that cause this reaction. I have sought specialist medical advice on what may be the source of this discharge but have not received an explanation. I would like to understand this better and to look for any sort of treatment once the reaction commenced.

by Kevin Pho, MD, Apr 12, 2007 12:00AM
I am not aware of a specific disease that links a food reaction with anal itching.  

Testing the stool for parasites can be considered.  Also, looking at the anal area to rule out pinworms should also be done.  

Malabsorption can be evaluated by sending the stool off for fat analysis, as well as blood tests looking for celiac disease.  Various breath tests can be done to look for bacterial overgrowth or lactose intolerance - all which can contribute to your symptoms.  

These options can be discussed with your personal physician, or in conjunction with a GI physician.

Followup with your personal physician is essential.

This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.

Kevin, M.D.
kevinmd_
Member Comments

by Waylon33, May 08, 2007 12:00AM
To: Doodoo
I am a 19yr old male, who also has this same problem, and this is why I joined this site, to possibly seek an answer.  This just started out of the blue about a year ago.  I also have the same clear liquid that smells like fish.  Please let me know if you have found out anymore about this!!! Thanks so much!

by melfromtexas, Jan 22, 2009 06:46AM
A related discussion, rectal itching was started.

by dylan540, Feb 21, 2009 11:05PM
A related discussion, lactose was started.

by tony111, Aug 05, 2009 05:49AM
A related discussion, mucus commıng from anus was started.
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