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 However, product information and weblinks may be out of date.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.

Monday, December 21, 2009

Lactose Intolerance and Diarrhea Revisited

I received an email with a straightforward question that I may never have answered as compactly.

Steve, I am wondering if a person who gets diarrhea from being lactose intolerant would get diarrhea from other foods more readily than if you weren't LI?

So here's the short answer.
No, there is no connection between LI and other diarrhea-causing problems.

However, some diseases, like irritable bowel syndrome, may be triggered by milk and also by other foods. That's a different mechanism than LI, however.

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