Frequently asked question: What are the causes of a hyper?

There are several causes that can lead to too high blood sugar levels:
  • Injecting too little insulin
  • Injecting too deep or too superficial
  • Injecting too often on the same spot
  • Eating different food than usual, or at irregular times (for example, during holidays)
  • Being ill
  • Eating or drinking too much

Relevant medical information