In this VetGirl blog, Dr. Marie Holowaychuk reviews the use of intramuscular (IM) glargine insulin in cats for the treatment of diabetic ketoacidosis (DKA). While we were always taught that you should only ever use regular insulin IM, this study may prove otherwise! So before you refer all your DKA cases away, pay heed to this VetGirl blog!
Marshall RD, Rand JS, Gunew MN, et al. Intramuscular glargine with or without concurrent subcutaneous administration for treatment of cline diabetic ketoacidosis. J Vet Emerg Crit Care;2013:23(3):286-290.