October 23, 2024

Greening Out: Understanding the Risks of Cannabis Overdose

Learn about "Greening Out," a term for cannabis overdose, and understand the symptoms, risks, and treatment options to stay informed.

Frame 1077241737Medically Reviewed by Dr. Fayz Yar Khan, MD FACP

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Julie Miller

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Last Update on October 28, 2024

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“Greening Out” is a term used to describe the adverse effects of consuming too much cannabis, leading to symptoms like nausea, dizziness, and anxiety.

In this article, you’ll learn about the signs of cannabis overdose, the potential risks involved, and the available treatment options to recover safely.

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What is Greening Out?

“Greening Out” happens when someone consumes too much cannabis, leading to a range of uncomfortable symptoms like dizziness, nausea, and anxiety.1

This can happen with smoking, vaping, or edibles, especially if the THC levels are higher than the person is used to.

While Greening Out is generally not life-threatening when cannabis is consumed on its own, it can feel overwhelming and scary.

The risk becomes much greater if the cannabis is laced with dangerous substances like fentanyl, turning the situation into a potential medical emergency.

Knowing what Greening Out is and how to respond can help you or someone else stay safe.

Cannabis Overdose Symptoms

“Greening Out,” or cannabis overdose, can result in a wide array of symptoms that affect both the body and mind.

The effects vary based on how much was consumed, individual tolerance, and whether other substances were involved.

Here are some common symptoms to watch for:

  • Nausea and vomiting often leave the person feeling very uncomfortable
  • Dizziness or vertigo, making it hard to stand or walk without feeling like the world is spinning
  • Rapid heartbeat or palpitations, which can add to feelings of fear or panic
  • Anxiety or panic attacks, where the person may feel overwhelmed or frightened
  • Sweating or chills, physical reactions that may cause discomfort
  • Paranoia or hallucinations, where they may feel confused, scared, or see things that aren’t there
  • Confusion or disorientation, making it tough to think clearly or follow what’s going on around them
  • Trembling or shaking, which may happen in the hands or legs
  • Fatigue or extreme drowsiness, with the person wanting to lie down or sleep
  • Loss of coordination or balance, making movement difficult or unsafe

Though these symptoms can feel scary, they typically pass with time.

Understanding how to recognize them and respond with care can make a huge difference in helping someone feel safe and supported during this uncomfortable experience.

Steps to Take If Someone is Experiencing a Cannabis OD

If someone is experiencing a cannabis overdose or “Greening Out,” it’s important to stay calm and provide support.

Here’s a step-by-step guide to help manage the situation and ensure the person’s safety:

1. Move to a quiet, comfortable environment away from loud noises or distractions.

2. Encourage deep, steady breathing to help them relax and reduce anxiety.

3. Offer water or non-caffeinated fluids to keep them hydrated, but avoid giving food or other substances that could aggravate nausea.

4. Reassure them that the effects will pass, as remaining calm can ease their panic or paranoia.

5. Monitor the person closely and avoid leaving them alone until the symptoms subside.

6. Help them lie down in a comfortable position if they feel dizzy or weak to prevent falls or injuries.

7. Avoid encouraging sleep if they are extremely disoriented or if symptoms are severe.

8. Seek medical help if symptoms worsen, such as chest pain, difficulty breathing, or loss of consciousness.

By taking these steps, you can help manage the situation and ensure the person’s safety while they recover.

Quick Tip: Know When to Seek Medical Help

While Greening Out from cannabis alone is usually not life-threatening, there are serious risks if the cannabis is laced with other dangerous substances like fentanyl. In such cases, what might seem like a simple overdose can turn into a life-or-death situation. If someone is experiencing severe symptoms or you suspect the cannabis was tainted, don’t wait—seek immediate medical care to ensure their safety.

Long-Term Effects of Frequent Cannabis Use

Repeated instances of “Greening Out,” or regular heavy cannabis use, can have lasting effects on both physical and mental health, particularly for those who frequently consume cannabis in high doses.

While a single episode may not lead to serious long-term issues, consistent overuse increases the risk of more significant health concerns over time.

Research indicates that chronic cannabis users, especially those who experience multiple “Greening Out” episodes, may be more susceptible to developing long-term mental health conditions.2

Here are some of the potential long-term effects you may face:

  • Increased anxiety or panic disorders
  • Possible development of cannabis use disorder
  • Long-term impacts on cognitive function and memory
  • Potential for chronic health issues, such as respiratory problems
  • Increased risk of mental health disorders like schizophrenia and bipolar disorder

What is Cannabis Use Disorder?

Cannabis Use Disorder (CUD) is a condition where a person develops a problematic relationship with cannabis, leading to significant impairment in their daily life.

This can range from difficulty controlling the amount of cannabis used to continued use despite negative consequences in personal, social, or professional areas.

Over time, individuals with CUD may find themselves increasingly dependent on cannabis, both mentally and physically.

Some signs of Cannabis Use Disorder include:

  • Increased Tolerance: Needing more cannabis to achieve the same effect.
  • Withdrawal Symptoms: Feeling anxious, irritable, or experiencing sleep disturbances when not using cannabis.
  • Inability to Cut Down: Repeated unsuccessful attempts to reduce or stop cannabis use.
  • Neglecting Responsibilities: Letting cannabis use interfere with work, school, or home obligations.
  • Continued Use Despite Problems: Using cannabis even when it causes issues in relationships, health, or other important areas of life.

For those struggling with CUD, it can feel difficult to break free from the cycle of dependence, but recovery is possible. Seeking treatment can help individuals regain control of their lives and health.

Importance of Substance Abuse and Mental Health Treatment

For individuals who experience recurring “Greening Out” or struggle with cannabis use disorder, seeking professional substance abuse and mental health treatment is essential.

Comprehensive treatment addresses both the physical and psychological impacts of cannabis overuse, helping individuals achieve long-term recovery and make healthier lifestyle choices.3

  • Integrated Treatment: Combining substance abuse treatment with mental health care ensures that both addiction and any co-occurring mental health conditions, such as anxiety or depression, are addressed simultaneously, leading to more effective outcomes.

  • Therapeutic Support: Professional support offers valuable tools for managing stress, anxiety, and other emotional challenges, which often accompany substance use disorders, making recovery more sustainable.

  • Cognitive-Behavioral Therapy (CBT): CBT helps individuals recognize and change harmful thought patterns and behaviors linked to cannabis use, encouraging the development of healthier coping mechanisms.

  • Building Self-Awareness: Therapy promotes self-awareness by helping individuals understand the underlying issues driving their cannabis use, empowering them to make realistic and lasting changes.

  • Healing from Trauma: Addressing past traumas and family dynamics in therapy can lead to emotional healing, reducing the likelihood of using substances as a coping strategy.

  • Sustaining Recovery: Long-term mental health support and continued substance abuse treatment are key to maintaining sobriety and preventing relapse, providing individuals with the tools needed for long-term success.

Effective treatment not only helps individuals recover from cannabis overuse but also supports them in building healthier, more fulfilling lives.

Frequently Asked Questions

How long does "Greening Out" last?

The symptoms of Greening Out can last anywhere from a few minutes to several hours, depending on how much cannabis was consumed and the person’s tolerance. For some, the effects may subside relatively quickly, while others might feel uncomfortable for several hours before fully recovering.

While Greening Out is generally not life-threatening, it can be an overwhelming and uncomfortable experience. In rare cases, medical attention may be necessary, particularly if symptoms are severe or the cannabis was mixed with other substances. Staying calm and hydrated can help alleviate symptoms.

While a single episode of Greening Out is unlikely to cause permanent harm, frequent overuse of cannabis can lead to long-term consequences. These may include memory problems, cognitive decline, and an increased risk of developing mental health disorders like anxiety or depression. Seeking treatment can help prevent these lasting effects.

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Key Takeaways

Taking the Next Step Toward Recovery

If you’ve experienced “Greening Out,” it can be a tough and scary experience, but it might also be a sign that it’s time to reassess your relationship with cannabis.

While one episode may pass, frequent overuse can signal deeper concerns like cannabis use disorder or underlying mental health struggles.

It’s never too early to take steps toward feeling better and building healthier habits.

At Cornerstone Healing Center, we understand the challenges of cannabis overuse, and our marijuana treatment program is here to help.

Our compassionate team is dedicated to providing personalized care that addresses both the physical and emotional aspects of addiction.

If you or a loved one is ready to start a new chapter, reach out to us today.

We’re here to support your journey to lasting recovery and a healthier, more fulfilling life.

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Author & Reviewers

lionel estrada lisac clinical director
CLINICAL DIRECTOR & REVIEWER

Lionel is the Clinical Director of Cornerstone’s Scottsdale treatment facilities. He has had over 4 years at Cornerstone. He is personally in recovery and passionate about helping others overcome substance abuse and mental health challenges; he is trained as an EMDR, adopting a trauma-informed approach to treat the underlying issues.

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