Home › DMV Practice Tests › California › Learner's Permit (Car) Questions › Question 89
Can prescription or over-the-counter medicines lead to a DUI in California?
- A.Yes — any substance that impairs your ability to drive safely can lead to a DUI
- B.No, only illegal drugs count
- C.No, a prescription is a complete defense
- D.Only if you also drink alcohol
Correct answer
A. Yes — any substance that impairs your ability to drive safely can lead to a DUI
Why
DUI covers alcohol, cannabis, illegal drugs, and impairing legal medicines. If a substance makes you unable to drive with ordinary care, driving is unlawful.
Manual topic: California Driver Handbook - Alcohol and Drugs · From the California Learner's Permit (Car) practice bank (CAC-089).