I've had this problem on and off in the past 2.5 years. For me it's just dry skin, made way worse by taking hot showers all winter. Try to keep your breasts moisterized (don't use regular lotion on your nipples though)....the best thing I've found by far is lanolin...and lots of it. Just slather it on there...especially before showers. It should moisten and protect your skin. I've found that some nursing bras make it worse. Can you go braless at home?
Good luck....I hate it when I have an itchy spell.
Good luck....I hate it when I have an itchy spell.