Dr. Andreas Eenfeldt, aka The Diet Doctor just published a post yesterday on the Keto Rash:
He has an interesting theory in that he believes the itching and rash is caused by “ketones in sweat” because it usually starts soon after ketosis, gets worse in hot weather or after exercising, and distribution matches areas where sweat accumulates.
His recommendations include wearing more comfortable clothing, showering immediately after exercising, and exiting ketosis.
No mention of antibiotics, the most commonly used and most successful treatment in all of the available scientific literature, which surprised me.
Definitely check out the article to read more of what he says. The more we get the word out on this the better.
If you want to check out some of his other stuff, he has a book on Amazon called: