Do you use medication or marijuana exactly as prescribed and legally under Minnesota law, and still face a DWI charge?
DWIs can involve alcohol, prescription medication, and cannabis. We understand how pressured you may feel. Here, we explain what the law actually says, whether your prescription helps your case, and how this charge may affect your job, license, and future.
Let’s look at how Minnesota treats prescription medications, marijuana, and impairment, and how a Minnesota DWI defense lawyer can help you protect your record and your license.
If you want support with your next steps, reach out anytime.
Minnesota laws on DWIs involving drugs
Under the law, you can be charged with a DWI if:
- You are under the influence of alcohol,
- You are under the influence of a controlled substance,
- You are under the influence of a combination of substances, or
- You have a Schedule I or II substance (other than marijuana) in your system.
In simple terms:
- You can be charged even if the substance is legal.
- The question is whether the substance impaired your ability to drive safely.
- A valid prescription helps, but it is not always a full defense.
For example, even if you were legally prescribed Xanax or Adderall, the officer can still charge you if they believe you were impaired behind the wheel.
Situations in drug-related DWI cases
Many people think officers must prove you were “high,” but most drug-based DWI arrests come from:
- Reports of unusual driving behavior
- Difficulty following instructions during a stop
- Confusion, slow responses, or nervousness that officers interpret as impairment
- Pills found outside their original container
- The smell of marijuana in the car
- Something said during the traffic stop
These cases are often based on observation, not objective proof. Unlike alcohol cases, there is no accurate roadside test that measures drug impairment. This is why how you respond early on matters.
Steps to take if you are charged with a drug-related DWI
Taking the right steps can help protect your license and your future.
1. Do not explain your medication use to officers
Even truthful statements can be misunderstood or used against you.
2. Save your prescription information
Keep pharmacy records, refill logs, and medication bottles.
3. Document dosage, timing, and medical needs
This helps clarify why the medication was in your system.
4. Avoid posting about the incident
Online comments can be taken out of context by prosecutors.
5. Request a hearing to challenge your license revocation
Time limits apply, and missing them can cost you your license.
6. Contact a DWI attorney in Minnesota as soon as possible
Drug-based DWIs require detailed investigation and defense strategy.
If you feel unsure about the next steps, you can reach out and we will review your options together.
Handling DWIs involving prescription drugs and marijuana
Minnesota courts and prosecutors analyze these cases differently than alcohol-based DWIs. The system examines:
Prescription drugs
- Whether the medication was legally prescribed
- Whether you took the medication as directed
- Your level of impairment at the time
- Officer observations and field sobriety tests
- Statements you made during the stop
- Blood or urine test results
A valid prescription is important, but you must still show that the medication did not impair your driving.
Marijuana
Minnesota’s marijuana laws have changed, but driving while impaired by cannabis is still illegal. Courts look at:
- Driving behavior
- Statements made to officers
- Appearance, speech, and coordination
- THC blood levels (though levels do not directly measure impairment)
- Officer training and credibility
Because THC stays in the body long after the effects wear off, a positive test does not automatically prove impairment.
Mistakes made in drug-related DWI cases
Avoiding these mistakes helps strengthen your defense:
- Admitting how much marijuana you used or when you last used it
- Explaining dosage, symptoms, or medical conditions to officers
- Not saving prescription records
- Forgetting to request a license revocation hearing
- Assuming a prescription guarantees dismissal
- Talking about the case online or with co-workers
- Not contacting a Minnesota DWI defense lawyer early
Early decisions can influence both the criminal case and the DMV process.
Let’s defend prescription drug and marijuana DWI cases
Drug-based DWI cases require careful analysis because the science, testing, and legal standards are different from alcohol DWIs. At Martine Law, we review everything with a clear and strategic approach. Here is how we support you:
- We examine whether the traffic stop and arrest were lawful.
- We challenge unreliable field sobriety tests in drug-related cases.
- We evaluate the accuracy and timing of blood or urine tests.
- We gather medical and prescription records that support your case.
- We challenge assumptions or statements made by officers.
- We negotiate with prosecutors and push for reduced charges or dismissal when evidence is weak.
- We prepare for trial whenever needed to protect your record and license.
- You have access to our paralegals and assistants 24/7 for questions and support.
You deserve a team that understands Minnesota DWI law and knows how to challenge drug-based impairment allegations.
A lawyer can help challenge testing, officer observations, and license revocation.
If you need a Minnesota DWI defense lawyer who knows how to defend prescription drug and marijuana DWI cases, contact us or call +1(612)979-1305 for a confidential consultation.