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Home/ Legal Guides/ Can You Get a DWI for Prescription Drugs in Texas?
DWI Defense 2 min read December 16, 2019

Can You Get a DWI for Prescription Drugs in Texas?

Straight Answer

Can you get a DWI for prescription drugs in Texas?

Yes. Tex. Penal Code §49.04 is not limited to alcohol. It applies to alcohol, illegal drugs and lawfully prescribed medication. Under §49.01(2)(A), intoxicated means not having the normal use of your mental or physical faculties because of any substance introduced into the body, or having a blood alcohol concentration of 0.08 percent or more.

TL;DR
  • The Texas DWI statute covers alcohol, illegal drugs, and medication you were lawfully prescribed.
  • Intoxication is defined at §49.01(2)(A) as losing the normal use of mental or physical faculties from any substance, or a BAC of 0.08 percent or more.
  • Having a valid prescription is not a defense to driving while your faculties are impaired.
  • Benzodiazepines and opioids are singled out by the National Institute on Drug Abuse for drowsiness, dizziness and impaired judgment.
  • The FDA warns that over the counter medicines and herbal supplements can impair driving too.

You know for a fact that you can be arrested for driving while intoxicated (DWI) if you’re caught drunk driving. You may even know that you can be arrested for driving under the influence of marijuana or another illicit drug, such as cocaine, methamphetamines, heroin, LSD, or ecstasy, but get arrested for driving under the influence of lawfully prescribed medications? Yes, that can definitely happen.

Texas’ DWI law is covered under Section 49.04 of the Texas Penal Code. Contrary to popular belief, the state’s DWI statute is not limited to alcohol; it applies to alcohol, illegal drugs, and lawfully prescribed medications. Under the law, it’s illegal to drive while “intoxicated” in a public place.

Under Sec. 49.01(2)(A), “intoxicated” is defined as: “Not having the normal use of mental or physical faculties by reason of the introduction of alcohol, a controlled substance, a drug, a dangerous drug, a combination of two or more of those substances, or any other substance into the body” or by having a blood alcohol concentration of 0.08% or more.

Drugged Driving is Dangerous

The reason why drivers can get a DWI for driving under the influence of a controlled substance (legal or illegal) is that it can be just as dangerous as drunk driving. Per the National Institute on Drug Abuse (NIDA), specific drugs can affect the brain and driving skills, including marijuana and certain prescription medications.

“Certain kinds of prescription medicines, including benzodiazepines and opioids, can cause drowsiness, dizziness, and impair cognitive functioning (thinking and judgment). All of these effects can lead to vehicle crashes,” according to the NIDA.

How do medications affect people’s driving? According to the U.S. Food & Drug Administration (FDA), some medications and even over-the-counter drugs and supplements can affect people’s driving because they cause drowsiness, blurred vision, dizziness, fainting, focus issues, nausea, and slowed movement. All of these side effects can affect a person’s ability to drive safely.

“Using a new medicine can cause you to react in a number of ways. It is recommended that you do not drive when you first start using a new medicine until you know how that drug affects you. You also need to be aware that some over-the-counter medicines and herbal supplements can make it difficult for you to drive safely,” advises the FDA.

If you’re facing prescription drug DWI charges, contact our firm for a free consultation with Attorney Barrett.

Common questions

Is a valid prescription a defense to a Texas DWI?

No. The statute applies to lawfully prescribed medication as well as alcohol and illegal drugs. What matters is whether you had the normal use of your mental or physical faculties while driving.

Which prescription drugs most often lead to DWI arrests?

The National Institute on Drug Abuse specifically identifies benzodiazepines and opioids, which can cause drowsiness, dizziness and impaired thinking and judgment.

Can over the counter medicine cause a DWI?

The FDA warns that some over the counter medicines and herbal supplements cause drowsiness, blurred vision, dizziness, fainting, focus problems and slowed movement, all of which can affect your ability to drive safely.

Sources

The law this article describes, at the source. Every figure above can be checked against it.

This article is general legal information about Texas law, not legal advice about your case. Reading it does not create an attorney-client relationship. Laws change, so confirm the current rule with a licensed Texas criminal defense attorney about your specific facts. Request a free case review.

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