Type 1 diabetes, by causing persistently high blood sugar levels in the body, can lead to serious complications affecting various organ systems. These potential complications include:

* Eye conditions such as cataracts and glaucoma
* Cardiovascular diseases
* Hypertension (high blood pressure)
* Kidney disease (nephropathy)
* Oral and dental health problems
* Skin problems such as dryness and bacterial-fungal infections
* Stroke