5. Frequent urination
Because water is pulled from all available cells in order to flush away excess glucose, the kidneys get overwhelmed trying to filter and reabsorb it. That means you’ll be running to the toilet way more than usual to eliminate the build-up.
All that peeing can leave the body very dehydrated, not to mention exhausted, because this is a 24/7 problem that will affect your ability to sleep through the night.