How Do You Know if You Have Diabetes?

Ask the experts

I've recently noticed I have to use the restroom a lot, and I'm losing weight. I have diabetes in my family, and my uncle said I should get this checked out by a doctor. How do you know if you have diabetes?

Doctor’s Response

The early symptoms of untreated diabetes are related to elevated blood sugar levels, and loss of glucose in the urine. High amounts of glucose in the urine can cause increased urine output (frequent urination) and lead to dehydration. The dehydration also causes increased thirst and water consumption.

A relative or absolute insulin deficiency eventually leads to weight loss. The weight loss of diabetes occurs despite an increase in appetite.

Some untreated diabetes patients also complain of fatigue. Nausea and vomiting can also occur in patients with untreated diabetes.

Frequent infections (such as infections of the bladder, skin, and vaginal areas) are more likely to occur in people with untreated or poorly-controlled diabetes.

Fluctuations in blood glucose levels can lead to blurred vision. Extremely elevated glucose levels can lead to lethargy and coma.

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Reviewed on 5/9/2018
References
American Diabetes Association. Diabetes Basics.
<http://www.diabetes.org/diabetes-basics>

CDC.gov. Diabetes Public Health Resource.
<http://www.cdc.gov/diabetes>

CDC.gov. "2014 National Diabetes Statistics Report. 2012.
<http://www.cdc.gov/diabetes/data/statistics/2014statisticsreport.html>

Khardori, R., MD. "Type 2 Diabetes Mellitus." Medscape. Oct 08, 2015.
<http://emedicine.medscape.com/article/117853-overview>