When most people think about impaired driving, alcohol is usually the first thing that comes to mind. However, drugged driving operating a vehicle while under the influence of prescription drugs, illegal substances, or even certain over-the-counter medications is a growing issue in Colorado and across the nation. While both drugged and drunk driving fall under the umbrella of DUI offenses, they differ significantly in how they’re investigated, prosecuted, and defended.
As a former prosecutor with nearly 20 years of experience in criminal law, I’ve handled countless cases involving both alcohol and drug impairment. Today, as a Colorado Springs criminal defense attorney, I use that knowledge to help clients navigate these complex charges and protect their rights. Here’s what you need to know about the differences between drugged and drunk driving and why having an experienced attorney matters.
What Is Drunk Driving?
Under Colorado law, drunk driving (DUI) occurs when a person operates a vehicle with a blood alcohol concentration (BAC) of 0.08% or higher. For commercial drivers, the limit is lower 0.04%. Even if your BAC is under 0.08%, you can still be charged with DWAI (Driving While Ability Impaired) if alcohol affects your ability to drive safely to the slightest degree.
Drunk driving cases are typically easier to measure and prosecute because alcohol impairment can be quantified through breath or blood testing. Breathalyzers and chemical analysis provide clear numbers that prosecutors can use to establish impairment.
What Is Drugged Driving?
Drugged driving refers to operating a vehicle while impaired by any substance that affects your ability to drive including prescription medications, over-the-counter drugs, marijuana, or illegal narcotics. Colorado’s legalization of marijuana has made these cases increasingly common and far more complex.
Unlike alcohol-related DUIs, there is no universally accepted threshold for drug impairment. For instance, Colorado law defines a THC level of 5 nanograms per milliliter of blood as the point where a driver is presumed impaired, but that doesn’t always reflect actual intoxication. Tolerance levels vary widely, and traces of THC can remain in the bloodstream long after the effects have worn off.
Prescription medications can also lead to drugged driving charges even when legally obtained. Drugs like painkillers, anti-anxiety medications, or sleep aids can slow reaction times, blur vision, or impair judgment. As a result, many drivers are surprised to find themselves facing DUI charges despite following their doctor’s orders.
How Law Enforcement Identifies Each Type of Impairment
In drunk driving cases, officers often rely on field sobriety tests, odor of alcohol, and breathalyzer results to establish probable cause. In drugged driving cases, however, these tools are less effective. Instead, officers call in Drug Recognition Experts (DREs) specially trained officers who evaluate physical and behavioral signs of drug impairment.
DRE evaluations involve assessing pupil size, blood pressure, coordination, and other physiological indicators. If drugs are suspected, a blood test is typically ordered to identify specific substances. However, interpreting these tests is far from simple. Many substances metabolize quickly, meaning test results may not accurately reflect impairment at the time of driving.
This is where experienced defense representation becomes crucial. As someone who’s prosecuted and defended hundreds of DUI and DUID cases, I know how to challenge flawed testing methods, improper DRE evaluations, and questionable police procedures.
Penalties for Drugged vs. Drunk Driving in Colorado
Both drunk and drugged driving are treated seriously under Colorado law, and the penalties are nearly identical:
First Offense: Up to one year in jail, fines up to $1,000, license suspension, community service, and mandatory education programs.
Second and Subsequent Offenses: Increased jail time, higher fines, longer license suspensions, and potential installation of an ignition interlock device.
However, drug-related DUIs can carry additional challenges. For example, marijuana DUIs often involve subjective judgment calls by officers, and prescription drug DUIs can complicate your relationship with your medical provider or employment status. Having an attorney who understands both criminal law and the nuances of toxicology is key to navigating these added complexities.
Defense Strategies: How an Experienced Attorney Makes a Difference
A successful defense in a DUI or DUID case requires a deep understanding of both the science and the law. At Christian A. Schwaner, P.C., we take a proactive approach to building strong defenses tailored to each client’s unique situation.
For drunk driving cases, defenses may include:
Challenging the legality of the traffic stop.
Questioning the accuracy and calibration of breathalyzer machines.
Disputing field sobriety test procedures or officer training.
For drugged driving cases, defenses often focus on:
Improper DRE evaluations or lack of certification.
Inaccurate or contaminated blood samples.
Timing discrepancies between driving and testing.
Lawful prescription drug use under medical supervision.
Because each case is unique, we conduct a thorough review of every piece of evidence from dashcam footage to lab reports to uncover inconsistencies and procedural errors that could lead to dismissal or reduced charges.
Why Experience Matters in DUI and DUID Defense
Having served as a special prosecutor in multiple Colorado counties, I’ve seen how these cases are built and where they often fall apart. Prosecutors depend heavily on lab data and officer testimony, but those elements are far from infallible. My experience on both sides of the courtroom gives me the insight to anticipate the prosecution’s strategies and build a stronger, smarter defense.
Whether you’re facing a drugged driving or drunk driving charge, your rights, reputation, and freedom are on the line. The sooner you consult a qualified defense attorney, the better your chances of securing a favorable outcome.
Protecting Your Rights Starts Here
At Christian A. Schwaner, P.C., we are dedicated to defending individuals charged with all forms of impaired driving. With decades of combined experience in criminal law, we know how to challenge weak evidence, question improper procedures, and protect your future.
If you’ve been accused of drugged driving or drunk driving in Colorado Springs or anywhere in El Paso County, contact us today for a free consultation. We’ll review your case, explain your legal options, and help you take the first step toward restoring your freedom.
Visit schwanerlaw.com or call to schedule your consultation with an experienced Colorado DUI attorney. When it comes to your defense, experience isn’t just an advantage it’s your best protection.
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