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All Boards >> Hypnosis for Irritable Bowel Syndrome Discussions

shawneric

Reged: 01/30/03
Posts: 1738
Loc: Oregon
Re: Serotonin Info
      04/03/03 09:33 AM

Kinoz, this is about taking a natural 5ht supplement, but its more complicated then that and its not so much how much is in the body. Its a problem at the gut levels and cells in the gut. However this was a question someone asked on 5ht and IBS. But its good because it helps explain pressure sensitive cells in the gut that release serotonin and how the it all works.

Ask The Expert
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Image of a cadeusus
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General Medical Questions
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Q: I have suffered from irritable-bowel syndrome for many years. I get diarrhea. The doctors I've seen have offered little help. Recently, my daughter suggested I try an over-the-counter medicine called "5-Hydroxy-tryptophan," made by a company called Natrol Inc. My daughter says it is a mild antidepressant. It seems to have helped quite a bit, but it also seems to slow me down and make me feel tired. Can you give me any information on this? What is it, exactly, and are there any serious side effects? The only other medicine I take is Synthroid.
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The Trusted Source
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Harold J. DeMonaco, M.S.

Harold J. DeMonaco, M.S., is senior analyst, Innovative Diagnostics and Therapeutics, and the chair of the Human Research Committee at the Massachusetts General Hospital. He is author of over 20 publications in the pharmacy and medical literature and routinely reviews manuscript submissions for eight medical journals.
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June 19, 2001
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A:

Irritable bowel syndrome is now recognized as a disorder of serotonin activity. Serotonin is a neurotransmitter in the brain that regulates sleep, mood (depression, anxiety), aggression, appetite, temperature, sexual behavior and pain sensation. Serotonin also acts as a neurotransmitter in the gastrointestinal tract.

Excessive serotonin activity in the gastrointestinal system (enteric nervous system) is thought to cause the diarrhea of irritable-bowel syndrome. The enteric nervous system detects bowel distension (expansion) on the basis of pressure-sensitive cells in the bowel lumen (opening). Once activated, these pressure-sensitive cells promote the release of serotonin, which in turn promotes both secretory function and peristaltic function (the contractions of the intestines that force the contents outward). At least four serotonergic receptors have been identified to be participants in the secretory and peristaltic response.

Patients with diarrhea-predominant IBS may have higher levels of serotonin after eating than do people without the disorder. This recognition led to the development of the first drug used specifically to treat diarrheal symptoms of IBS, alosetron (also known as Lotronex). Alosetron blocked the specific serotonin receptors responsible for recognizing bowel distention. In doing so, it blocked the effects of serotonin and reduced both bowel secretions and peristalsis. Constipation was the most common side effect seen. (Note: Alosetron was removed from the market by the manufacturer after repeated reports of a dangerous condition known as ischemic colitis became known.) Tegaserod (Zelmac) is another drug under development and under review by the U.S. Food and Drug Administration for approval. Tegaserod is indicated for the treatment of constipation-predominant IBS and works to increase enteric nervous system serotonin activity.

So, increasing serotonin activity in the enteric nervous system produces increased bowel secretions and peristalsis (and potentially diarrhea), whereas depressing serotonin activity produces reduced secretions and reduce peristalsis (and potentially constipation). Increasing serotonin activity in the brain would increase awareness and, in higher doses, produce anxiety, insomnia and restlessness. So I would have expected exactly the opposite effects of those that you experienced.

I am unable to identify any possible drug interactions between 5-HTP and Synthroid (levothyroxine) but the symptoms described suggest a check with your doctor may be in order. Persistent feelings of tiredness and constipation may be signs of an underactive thyroid (hypothyroidism).

June 19, 2001

http://www.intelihealth.com/IH/ihtIH/WSIHW000/24479/8438/325205.html


Also it is worth reading this.

History of Functional Disorders

http://www.med.unc.edu/medicine/fgidc/historyfunctionaldisorders.htm




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My website on IBS is www.ibshealth.com


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Entire thread
Subject Posted by Posted on
* Serotonin Info KinOz 03/31/03 02:29 PM
. * Re: Serotonin Info Essence   04/01/03 05:06 PM
. * Re: Serotonin Info shawneric   04/01/03 07:50 AM
. * Re: Serotonin Info Andie   10/02/04 05:52 AM
. * Re: Serotonin Info shawneric   10/02/04 10:33 AM
. * Re: Serotonin Info shawneric   10/02/04 08:56 AM
. * seratonin link - hence bowel movements on mdma? jo1978   04/15/03 10:37 PM
. * Re: seratonin link - hence bowel movements on mdma? shawneric   04/16/03 08:22 AM
. * Re: Serotonin Info KinOz   04/01/03 10:01 PM
. * Re: Serotonin Info shawneric   04/02/03 06:41 AM
. * Re: Serotonin Info shawneric   04/03/03 09:33 AM
. * Re: Serotonin Info susaloh   04/09/03 03:55 AM
. * Re: Serotonin Info Galwae   04/10/03 11:57 AM
. * Re: Serotonin Info susaloh   04/10/03 11:40 PM
. * Re: Serotonin Info HeatherAdministrator   04/09/03 01:54 PM
. * Re: Serotonin Info - Answer to Heather's question susaloh   04/10/03 03:06 AM
. * Re: Serotonin Info shawneric   04/09/03 08:40 AM
. * Re: Serotonin Info -question for ShawnEric susaloh   04/11/03 09:30 AM
. * Re: Serotonin Info -question for ShawnEric shawneric   04/11/03 10:15 AM
. * Re: Serotonin Info -question for ShawnEric juniper   04/13/03 07:02 PM
. * Re: Serotonin Info -question for ShawnEric shawneric   04/14/03 08:25 AM
. * Re: Serotonin Info -question for ShawnEric looktostars   04/13/03 06:40 PM
. * Re: Serotonin Info -question for ShawnEric shawneric   04/14/03 08:29 AM
. * Sorry, but what's CBT? susaloh   04/11/03 10:41 AM
. * Cognitive Behavioral Therapy -nt- HeatherAdministrator   04/11/03 11:18 AM
. * Re: Cognitive Behavioral Therapy -nt- shawneric   04/11/03 12:06 PM
. * Re: Serotonin Info Essence   04/09/03 06:39 PM
. * Re: Serotonin Info chris123   04/09/03 06:33 AM
. * Re: Serotonin Info Essence   04/09/03 06:42 PM
. * Re: Serotonin Info HeatherAdministrator   04/09/03 01:49 PM
. * Re: Serotonin Info Essence   04/09/03 06:45 PM
. * Re: Serotonin Info HeatherAdministrator   04/10/03 10:25 AM
. * Re: Serotonin Info shawneric   04/11/03 09:02 AM
. * Re: Shawneric this may sound silly.. KinOz   04/04/03 02:25 PM
. * Re: Shawneric this may sound silly.. shawneric   04/05/03 09:14 AM
. * Re: Shawneric this may sound silly.. Snow for Sarala   04/06/03 09:45 AM
. * Re: Shawneric this may sound silly.. shawneric   04/05/03 10:09 AM
. * Re: Thanks KinOz   04/05/03 02:54 PM
. * Re: Thanks shawneric   04/08/03 09:06 AM
. * Re: bloating Essence   04/04/03 05:58 PM

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