The Lactose Intolerance Clearinghouse Has Moved.

My old website can be found at I am no longer updating the site, so there will be dead links. The static information provided by me is still sound.

For quick offline reference, you can purchase Planet Lactose: The Best of the Blog as an ebook on or or or a whole lot of other places that Smashwords is suppose to distribute the book to. 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.

I suffer the universal malady of spam and adbots, so I moderate comments here. That may mean you'll see a long lag before I remember to check the site and approve them. Despite the gap, you'll always get your say. I read every single one, and every legitimate one gets posted.

Saturday, May 08, 2010

Lactose Intolerance in Infants

You're a mammal. I'm a mammal. We're all mammals. And that means we all are programmed genetically to drink mother's milk until we are weaned.

So lactose intolerance and infants should be two terms never used together. Yet a pediatric gastroenterologist I once interviewed told me that 10-15% of his patients were lactose intolerance.

To explain this, two facts are needed. One is that the intestines of an infant are delicate and a whole variety of problems can interfere with the lactase-making ability. The other is that a pediatric gastroenterologist is going to see a non-representative sampling of a) all infants and b) sick infants. Even so, maybe one percent of all babies suffer from temporary lactose intolerance at any given moment. The usual term for LI that is caused by an outside source rather than natural shutdown is Secondary LI, but Temporary LI is often used for babies as a reminder to the suffering parents that the condition will probably go away as soon as the child's intestines heal.

At The MedGuru site, Dr. Sania Siddiqui has a decent summary of what to look for and do. It's very basic but a good place to start for information.

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