Which of the following is indicative of both types of diabetes?

Frequent urination, also known as polyuria, is a common symptom in both type 1 and type 2 diabetes. This occurs due to the body’s attempt to eliminate excess glucose through urination when blood sugar levels become elevated. The kidneys filter out the surplus glucose, which pulls water into the urine, resulting in increased urination.

In type 1 diabetes, this symptom often appears alongside rapid weight loss and increased thirst, while in type 2 diabetes, it can develop gradually over time, sometimes going unnoticed initially. Understanding this symptom is crucial for recognizing the onset of diabetes, regardless of the type, making it an important indicator in the context of the question.

Other symptoms like high blood pressure, dry skin, and excessive fatigue can occur in individuals with diabetes but are not exclusively indicative of either type. For instance, high blood pressure can result from many factors unrelated to diabetes, while dry skin can be a symptom of dehydration, which may arise from diabetes complications but is also common in other conditions. Excessive fatigue can be seen in various health issues as well, not just diabetes. Thus, frequent urination stands out as a clear, direct symptom linked to both types of diabetes.