Final answer:
The adverse effect of enalapril is orthostatic hypotension, which is a sudden drop in blood pressure when a person stands up from sitting or lying down.
Step-by-step explanation:
The adverse effect of the medication enalapril is orthostatic hypotension.
Orthostatic hypotension is a drop in blood pressure that occurs when a person stands up from sitting or lying down. Enalapril is an ACE inhibitor medication used to treat high blood pressure, and one of its known side effects is orthostatic hypotension.
For example, if a client taking enalapril were to get up from a sitting or lying position too quickly, they may experience lightheadedness, dizziness, or even fainting due to a sudden decrease in blood pressure.