Challenges in the Diagnosis of Euglycemic Diabetic Ketoacidosis in a Patient With Multiple Sclerosis Taking a Sodium-Glucose Cotransporter 2 Inhibitor
Abstract
BACKGROUND: Sodium-glucose co-transporter 2 (SGLT2) inhibitors have been reported to cause euglycemic diabetic ketoacidosis (eDKA), a diagnosis that may be challenging to establish in the emergency department (ED).
CASE REPORT: This is a case report of missed eDKA in a 47-year-old male taking empagliflozin (a SGLT2 inhibitor) that presented to the ED with generalized weakness. His past medical history included multiple sclerosis (MS) diagnosed 4 years ago and type 2 diabetes mellitus. The patient attributed his weakness to MS. His neurologist was consulted and agreed with the plan to discharge the patient with diagnoses of asthenia and dehydration and a prescription of prednisone. The patient returned to the ED the next day with similar symptoms and was admitted to the hospital for treatment of eDKA. He was eventually treated per the hospital diabetic ketoacidosis (DKA) protocol and discharged home with instructions to discontinue empagliflozin. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: The increasing utilization of SGLT2 inhibitor in patients with type 2 diabetes mellitus will inevitably lead to more cases of eDKA seen in the ED. Emergency physicians need to consider this diagnosis in patients taking these medications that present with symptoms including weakness, nausea, vomiting, abdominal pain, and dehydration. Patients taking these medications should be warned about these symptoms, especially because they may be falsely reassured by relatively low plasma…
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