DKA is diabetes ketoacidosis here are some links:   http://www.healthcentral.com/diabetes/guide-154211-75.html   http://www.healthcentral.com/diabetes/c/651280/43280/ketoacidosis   http://www.healthcentral.com/diabetes/news-42998-22.html   This was most interesting scroll down toward bottom of page: http://www.healthcentral.com/diabetes/type-II-diabetes-000060_5-145_2.html   He needs to be seen by a endocrinologist, who specializes in diabetes management! He needs guidance to bring down the blood glucose.   If you are interested in understanding more about the basic ingredients and care of diabetes, I highly recommend Gary Scheiner's book: Think Like a Pancreas.  It will help you understand more of the issues at hand!