Which condition is indicated by increased thirst and frequent urination?

Increased thirst and frequent urination are classic symptoms associated with hyperglycemia, which is characterized by elevated levels of glucose in the blood. When blood glucose levels rise, the kidneys work to excrete this excess sugar through urine. This process results in increased urine production (polyuria), which can lead to dehydration and consequently causes increased thirst (polydipsia).

In the context of type 1 diabetes, while it is true that individuals with this condition may also experience these symptoms due to unmanaged blood sugar levels, the broader term hyperglycemia more accurately describes the physiological state resulting in these specific symptoms. Other conditions listed do not typically present with this particular set of symptoms in the same manner as hyperglycemia does.