SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/drive-impaired-by-medication

Can over-the-counter medicine affect your driving?

Yes, it can make you sleepy or slow your reactions.

  1. Yes, it can make you sleepy or slow ✔
  2. No, only illegal drugs affect driving
  3. Only if a doctor prescribed it

Why: Cold, allergy and other over-the-counter medicines can affect driving as much as alcohol or more. Read the label for warnings, and ask a pharmacist if you are unsure.

Huh, didn't know that: Taking one drink while also using a cold remedy can affect you as much as several drinks.

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References

Answer: Yes, it can make you sleepy or slow. Cold, allergy and other over-the-counter medicines can affect driving as much as alcohol or more. Read the label for warnings, and ask a pharmacist if you are unsure.

  1. California Driver's Handbook, Section 5: An Introduction to Driving www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving
    Prescription and over-the-counter medications can make you an unsafe driver. Some medicines can make you sleepy.
    Checked 2026-10-09.
  2. New York State Driver's Manual, Chapter 9: Alcohol and Other Drugs dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-9-alcohol-and-other-drugs
    taking one drink while you are also using a cold remedy could affect you as much as several drinks
    Checked 2026-10-09.

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