So you started the ketogenic diet and broke out into an itchy, angry rash. And you’re wondering… Does ketosis make you itchy?You likely have the “keto rash,” which is a preventable and treatable skin irritation that's a normal (albeit annoying) side effect of starting the ketogenic diet. What Is the Keto Rash? Keto rash is an uncommon inflammatory skin condition that comes with a scary-sounding name “prurigo pigmentosa” (pigmented irritation)....