Diabetic ketoacidosis (DKA) is a buildup of acids in your blood. It can happen when your blood sugar is too high for too long. It could be life-threatening, but it usually takes many hours to become that serious. You can treat it and prevent it, too.
Hydroxyzine can be used for anxiety, pruritus, nausea, pain or sedation. Patients will receive their dose orally or via injection up to 4 times a day depending on what the drug is being used for and the condition of the patient.
Vistaril (hydroxyzine pamoate) reduces activity in the central nervous system. It's used to relieve allergies and anxiety. I am pretty sure it is a prescription - only drug. Hydroxyz Pam.