Diabetes warning signs: Frequent urination, skin changes and vision issues

Approximately 40 million people in the United States live with diabetes, a condition categorized within the broader group of chronic diseases. The Centers for Disease Control defines these health issues as lasting more than one year and requiring continuous medical care or limiting daily functioning. Roughly 75% of Americans have some form of chronic disease, according to CDC data.

Understanding Diabetes Types

Dr. Lisa Swartz Topor, program director of pediatric endocrinology at Rhode Island Hospital and its Hasbro Children’s, explains that diabetes is a disorder characterized by elevated blood sugar due to insufficient insulin production or effectiveness. Insulin is the hormone responsible for lowering blood sugar levels.

Type 1 diabetes involves the destruction of the body’s ability to produce insulin and is the most common form among pediatric patients. Type 2 diabetes, prevalent in adults, allows the body to still produce insulin, particularly in the early stages, but not enough to meet physiological demands. According to the CDC, about 95% of diabetes cases in the U.S. are type 2.

Managing Blood Sugar Levels

Treatments such as GLP-1 medications are available for both types, though no cure exists. Dr. Swartz Topor notes that unmanaged high blood sugar can injure organs including the eyes, kidneys, and heart over time. Adhering to treatment guidance can delay or prevent this permanent damage by keeping blood sugar closer to target ranges.

While routine screenings like the A1C blood test exist for adults, recognizing physical signs remains crucial for timely medical intervention. Doctors highlight several symptoms that warrant attention.

Key Physical Symptoms

Frequent urination and increased thirst are classic indicators, especially for type 1 diabetes, where large volumes of urine are common. Dr. Archana Sadhu, an endocrinologist at Houston Methodist Diabetes Associates, states that these symptoms occur in both types due to high blood sugar levels. Type 2 diabetes, however, may progress slowly, allowing individuals to remain unaware for extended periods.

Fatigue, lack of concentration, and general malaise are also reported. Weight loss accompanied by increased appetite can result from frequent urination caused by high sugar levels; glucose lost in urine means calories are excreted rather than used for energy.

Skin and Vision Changes

A thickening or darkening of the skin in folds such as the neck, groin, or armpits—known as acanthosis nigricans—is associated with type 2 diabetes and prediabetes. Dr. Swartz Topor describes it as resembling dirt on the skin.

Sudden vision changes, particularly blurry sight, may signal high blood sugars temporarily altering the lens shape in the eye. While many causes exist for blurred vision, new onset warrants medical evaluation. Recurrent yeast infections are another potential sign, noted as highly unusual in children who are neither in diapers nor at puberty age, because yeast thrives on sugar.

Risk Factors and Prevention

Family history is a prominent risk factor for both type 1 and type 2 diabetes, according to Dr. Sadhu. For type 2, obesity, sedentary lifestyles, and diets high in processed foods and simple carbohydrates increase susceptibility. Lifestyle modifications involving diet and exercise can lower overall risk.