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What Are Marijuana DUI Charges in Louisiana?

Marijuana DUI Attorney

Under Louisiana Revised Statute § 14:98, it is unlawful to operate a motor vehicle while under the influence of a controlled dangerous substance, including marijuana (THC). However, unlike alcohol-based DUIs, there is no clearly defined “legal limit” for THC in a person’s system. As a result, law enforcement may rely on subjective observations or chemical tests that can detect THC long after the effects of marijuana have worn off.

You may be charged with a marijuana DUI if an officer believes that:

  • You were impaired by marijuana while driving;
  • THC or marijuana metabolites were present in your system during chemical testing;
  • Your appearance, behavior, or performance on field sobriety tests suggested cannabis influence.

The presence of THC in your system does not automatically prove impairment at the time of driving. These cases often involve interpretation rather than clear evidence, which makes building a defense both necessary and possible.

Potential Penalties for a Marijuana DUI in Louisiana

A conviction for a marijuana DUI carries serious consequences. Even for first-time offenders, penalties may include:

  • Jail time (up to 6 months);
  • Fines and court costs (up to $1,000);
  • Driver’s license suspension;
  • Probation or community service;
  • Mandatory participation in substance abuse education or treatment programs;
  • A permanent criminal record;
  • Increased insurance premiums.

Repeat offenses or aggravating factors, such as accidents or injuries, can result in more severe penalties, including extended incarceration, felony charges, and vehicle forfeiture.

What to Do After a Marijuana DUI Arrest

If you have been arrested for driving under the influence of marijuana, it is critical to take immediate steps to protect your rights:

  • 1. Do not plead guilty without consulting an attorney;
  • 2.Understand that a positive THC test does not guarantee a conviction;
  • 3.Contact a trusted DUI lawyer as soon as possible to begin building your defense.

You may only have 15 days to request an administrative hearing with the Louisiana Department of Public Safety to contest the suspension of your driver’s license. Acting quickly ensures you have more options available to you.

How It Works

Step 01

Call 504-264-9492 to set up a free initial consultation with our team.

Step 03

We’ll fight in court for the justice you deserve.

Why Clients Choose Crescent City Law

At Crescent City Law, we believe in protecting the rights, reputations, and futures of the individuals we represent. Whether you are a student, working professional, parent, or medical marijuana patient, we provide legal advocacy that is rooted in compassion, discretion, and a deep understanding of Louisiana’s DUI laws.

Clients Choose Us Because:

  • We are based in New Orleans and familiar with the local courts and procedures;
  • We offer honest, personalized legal guidance;
  • We approach every case with strategic planning and attention to detail;
  • We fight for meaningful results, not just quick plea deals.

Contact Our DUI Attorneys at Crescent City Law Today

A marijuana DUI charge can carry lasting consequences, but it does not have to define your future. At Crescent City Law, we are committed to providing the legal defense and support you need to move forward.

Contact us today at 504-264-9492 for an initial, no-obligation consultation. We’ll be with you every step of the way!

Frequently Asked Questions

What is a marijuana DUI in Louisiana?

A marijuana DUI (or DWI) means you are being accused of driving while impaired by cannabis. Unlike alcohol, there is no legal limit for THC, so a charge can be based on a blood test, officer observations, or your appearance. The issue is that THC can show up days after use, even if you were not impaired.

Why can I be charged if I wasn’t impaired?

How can Crescent City Law help defend me?

When should I contact a lawyer after my arrest?

Where do these cases usually take place?

Who gets charged with marijuana DUIs?

What are the consequences if I’m convicted?

Why choose Crescent City Law for my defense?

Leading Criminal Defense

Lawyers in New Orleans, Louisiana

With Crescent City Law, you’ll have a lawyer that is dedicated, accountable, available, and committed
to protecting your rights and fighting for the best possible outcome.

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