Which condition is associated with the symptoms of dizziness and fainting due to low blood pressure?

Hypotension refers to low blood pressure, and it is directly associated with symptoms such as dizziness and fainting. When blood pressure drops too low, the brain may not receive enough blood and oxygen, leading to feelings of lightheadedness or fainting episodes. This can occur due to various reasons, such as dehydration, significant blood loss, or prolonged standing.

In contrast, conditions like hypertension involve abnormally high blood pressure, which typically does not cause dizziness and fainting. Meanwhile, hyperglycemia refers to high blood sugar levels and is more commonly associated with symptoms like increased thirst, frequent urination, and fatigue. Hyperthermia involves elevated body temperature and is often related to heat-related illnesses, which also do not align with the symptoms in question. Thus, hypotension is clearly the condition that correlates with dizziness and fainting due to low blood pressure.