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ToggleArizona has strict laws related to driving under the influence. These laws apply not only to alcohol but also to drugs, including prescription medications.
DUI charges can be serious, especially when they involve prescription medicines. If you face a prescription DUI offense, you must understand the potential consequences and how to address them.
DUI laws for prescription medications
Arizona’s DUI laws include any substances that can impair your driving ability. While many people may not realize it, prescription drugs can affect functioning. They can cause drowsiness, dizziness or other side effects.
Legal consequences of prescription DUI
A DUI charge for prescription medications is a Class 1 misdemeanor. If convicted, you could face fines, mandatory drug treatment classes and license suspension. Other penalties can include jail time and probation.
Specific consequences vary based on circumstances. Courts consider whether it is a first offense or if other factors contributed to your situation.
Defense options against prescription drug DUI charges
Defending against these charges in Arizona can be complex. There are several strategies:
- Present evidence that shows you did not drive impaired
- Show proof that arresting officers did not follow proper procedures
- Challenge the validity of the drug test results
- Get expert witnesses, such as doctors or pharmacists, to testify that your prescription did not impair your driving ability
Your specific defense strategy depends on the details of your situation. You may also be able to negotiate a plea bargain, which can reduce charges or penalties.
You may assume that it is safe to use prescription medications while driving. However, this is not always the case. In DUI cases involving prescription drugs, courts look at how the medicines may have contributed to alleged impairment. Understanding the laws can help you determine your defense options.
Author Bio

Matthew L. Lopez
Matthew L. Lopez is the Managing Attorney and founder of Matthew Lopez Law, a criminal defense and DUI firm serving clients throughout Arizona. His track record of case dismissals and charge reductions has earned him honors, including a National Trial Lawyers Top 40 Under 40 nomination, a “Superb” 10/10 Avvo rating, and a Rising Star designation by Super Lawyers.
Matthew is a member of the National College for DUI Defense and holds active memberships with the Arizona Association for Criminal Justice and the Arizona Association for Justice. His firm handles criminal defense, DUI, drug charges, and traffic offenses, offering free consultations and affordable payment plans to make quality defense accessible to all Arizonans.
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