Hey there, Lactose is a sugar, and as such, isn't likely to cause colitis. Is it possible that they mean a cow's milk protein colitis? That seems more likely, especially with the diet history you give. What symptoms was the baby having? Jenny Thomas, MD, IBCLC Racine, WI *********************************************** To temporarily stop your subscription: set lactnet nomail To start it again: set lactnet mail (or digest) To unsubscribe: unsubscribe lactnet All commands go to [log in to unmask] The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(R) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html