Symptoms of diabetes insipidus include an increase in urination and in increase in thirst, as well as bed-wetting, irritability, listlessness, vomiting and diarrhea. Discover why dry hands and dehydration may be signs of diabetes insipidus with help from a licensed RN in this free video on diabetes insipidus. Expert: Kayti Brosnan Bio: Kayti Brosnan has been a licensed RN in the state of Texas since 2003. Filmmaker: Todd Green