Ketoacidosis associated with ketogenic diet in a non-diabetic lactating woman.

A 37-year-old woman who had 8 weeks post partum, breast feeding and on a low carbohydrate and high protein (ketogenic) diet, was admitted to the hospital with acute onset of nausea, vomiting and abdominal pain of 1-day duration. On admission, she was found to have high anion gap metabolic acidosis, elevated beta-hydroxybutyric acid level, normal glucose level and evidence of ketoacidosis. She was treated with lactated Ringer solution, along with dextrose 5% solution with the resolution of symptoms and metabolic derangement.