DUID Defense

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DUID Defense Attorney In San Diego, California

Arrested for Drugged Driving in San Diego?

In California, driving under the influence goes beyond the traditional concept of alcohol impairment. In fact, if law enforcement officials have reasonable suspicion that you were operating a vehicle while impaired by drugs — whether those drugs are prescription medications, marijuana, or illicit substances — you could be charged with DUID (Driving Under the Influence of Drugs) under California Vehicle Code § 23152(f). This broad interpretation of impairment underscores the state's strict stance on maintaining road safety and the potential consequences for drivers under the influence of various substances.


Unlike alcohol-related DUIs, which often have more clearly defined legal parameters, drug DUI cases frequently rely on more subjective forms of evidence. This can include an officer’s individual observations during a traffic stop or the findings from a professional evaluation conducted by a Drug Recognition Expert (DRE). As a result, these cases can become quite complex, with legal standards that are often less clear-cut than those associated with alcohol-related DUIs.


For individuals facing such serious charges, having an experienced advocate is crucial. David Simon provides focused legal representation for those charged with DUID in San Diego, ensuring that clients have a comprehensive understanding of what to expect at every stage of the legal process while diligently working to protect their rights.

Call Law Offices of David A. Simon at 619-393-3355 to schedule a consultation with a lawyer today.

What Counts as a Drug DUI?

DUID charges can stem from a wide range of substances — not just illegal drugs. You can be arrested for DUID if police believe you were impaired by:


  • Prescription medications (such as sleep aids, painkillers, or anti-anxiety drugs)
  • Over-the-counter medications that cause drowsiness or confusion
  • Marijuana, even if used legally
  • Controlled substances like cocaine, methamphetamine, or opioids


In many cases, the presence of a drug in your system isn’t enough — the prosecution must prove it impaired your ability to drive. However, field sobriety tests and chemical testing often leave room for doubt. David Simon looks at every aspect of your case — from the traffic stop to the testing process — to identify possible defenses and challenge the prosecution’s claims.

Protecting Your Rights After a DUID Arrest

A DUID conviction in California can lead to penalties similar to an alcohol DUI: fines, license suspension, probation, and even jail time. It can also have long-term consequences for your employment, driving record, and reputation. But these cases are often defensible — especially when the evidence is based on officer observations or questionable testing procedures.


David Simon works directly with clients in San Diego to develop a clear, practical defense strategy. Whether it's your first offense or you have prior DUI-related convictions, you deserve a chance to challenge the charges and protect your future.


If you’ve been arrested for DUID, call the Law Offices of David A. Simon to schedule a confidential consultation.

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Have Questions?

Don’t navigate the legal system alone. Call Law Offices of David A. Simon 24/7 at 619-393-3355 to speak with an attorney about your situation. Whether you’re looking for answers, guidance, or a strong defense strategy, David is here to help you take the next step with confidence.