High blood sugar (hyperglycemia), most commonly seen in Diabetes mellitus, can develop gradually or sometimes quite quickly. Early warning signs can be subtle, but here are the most common ones:
Common warning signs
- Increased thirst (feeling very dry all the time)
- Frequent urination, especially at night
- Fatigue or unusual tiredness
- Blurred vision
- Headaches
- Increased hunger even after eating
More concerning signs (higher or prolonged blood sugar)
- Dry mouth and dry skin
- Slow healing of cuts or infections
- Unexplained weight loss
- Recurrent infections (skin, urine, or yeast infections)
- Fruity or sweet-smelling breath (more serious)
- Nausea or vomiting
Emergency warning signs (seek urgent care)
These may indicate a dangerous condition like diabetic ketoacidosis:
- Severe weakness or confusion
- Deep, rapid breathing
- Vomiting that doesn’t stop
- Severe abdominal pain
- Drowsiness or difficulty staying awake
If you want, tell me your symptoms and I can help you judge whether they sound mild, moderate, or urgent.
