Answer:
The correct option is : b. Hydrochlorothiazide
Explanation:
Postural hypotension, also known as the orthostatic hypotension, is a medical condition in which the blood pressure of a person drops while in a standing or sitting position. This condition is characterized by a drop in the systolic and diastolic blood pressure of at least 20 and 10 mm Hg respectively. This drop in blood pressure can be sudden or gradual.
The hydrochlorothiazide is an anti-hypertensive drug which can cause postural hypotension.
