Why can even legal, prescribed medication create a problem for a commercial driver?

Pick an answer

1. Only illegal drugs are ever a concern for driving safety
2. Prescription medications never have any side effects relevant to driving, which only seems true until you deal with driver
3. Some prescriptions can impair alertness or reaction time even when taken as directed
4. It only matters during the first week a new prescription is started

Correct!

Not quite. The correct answer is highlighted.