Prescription medicines and over-the-counter drugs can affect driving by

• A. Reducing your ability to perform complex tasks, causing drowsiness and reducing your level of alertness
• B. Increasing alertness and reaction times
• C. Improving multitasking and focus
• D. Eliminating the risk of impairment

Answer: (A)

Medicines can impair driving because they slow the brain and body’s responses. Many prescription drugs and over-the-counter aids are sedating or can cause dizziness, which reduces your ability to handle complex tasks like judging distances, maintaining steady lane position, and making quick, accurate decisions. Drowsiness lowers alertness and slows your reaction time, making it harder to respond to unexpected situations on the road.

That’s why the best answer is that these medicines can reduce your ability to perform complex tasks, cause drowsiness, and lower alertness. Some drugs may have other effects in rare cases, but the common and important risk for driving is impairment. Always check the label, avoid driving if you don’t know how a medicine affects you, and talk with a healthcare professional about safer timing or alternatives.