Because of spam, I personally moderate all comments left on my blog. However, because of health issues, I will not be able to do so in the future.

If you have a personal question about LI or any related topic you can send me an email at I will try to respond.

Otherwise, this blog is now a legacy site, meaning that I am not updating it any longer. The basic information about LI is still sound. However, product information and weblinks may be out of date.

In addition, my old website, Planet Lactose, has been taken down because of the age of the information. Unfortunately, that means links to the site on this blog will no longer work.

For quick offline reference, you can purchase Planet Lactose: The Best of the Blog as an ebook on or Almost 100,000 words on LI, allergies, milk products, milk-free products, and the genetics of intolerance, along with large helpings of the weirdness that is the Net.

Tuesday, March 09, 2010

Report from the LI Conference, part 7

The sensitivity of our insides means that diarrhea is a symptom of about a zillion causes. Some of them may be food related, some may be from diseases. If you go a doctor, he or she has to sort through your entire pattern of symptoms to make a proper diagnosis.

Clinical Presentation and Approach: But What if It Is Not Lactose Intolerance?
Lin Chang, M.D.
Center for Neurobiology of Stress
Professor of Medicine
David Geffen School of Medicine
University of California, Los Angeles

Dr. Chang had a handy chart to show the common disorders that can be confused with or for lactose intolerance.

That's not six disorders. That's six entire classes of disorders that have to be sorted through.

I don't diagnose people myself, but it's apparent that many of those who write to me don't have lactose intolerance but something else entirely. It's the doctor's job to figure out what, but you can see that's not always the easiest decision to make.

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