Potential DKA

Guys, this morning I had diarrhea and vomited and I am a type 1 diabetic. I'm on a carnivore diet for a month and a half already. Recently, about a week ago, I got my blood sugar spikes first time I got on carnivore, once a day, every evening around 9-10 PM. And I am injecting my insulin normally, never skipped it. Could this be DKA? Or is it keto-flu? Or something else? Again, this is happening only after longer than a month on carnivore diet.