A blurred black-and-white image of a person holding their head, depicting distress and discomfort, illustrating the effects of greening out from cannabis overconsumption.
What Is Greening Out and Why Does It Happen?

For those exploring cannabis, whether as a beginner or a seasoned user, encountering the term “greening out” can spark curiosity or concern. Greening out refers to the overwhelming effects caused by consuming too much cannabis, often leading to feelings of dizziness, nausea, and a sense of unease. This cascade of effects can result in an unpleasant experience marked by feelings of unease that might make you reconsider your approach to cannabis use.

Understanding why greening out happens is key to avoiding such unpleasant effects and ensuring a more enjoyable cannabis experience. From THC’s impact on the brain to personal tolerance, several factors contribute to this phenomenon. In this blog, we’ll dive into what greening out entails, why some users experience overwhelming sensations or nausea, and how to prevent these experiences from dampening your cannabis journey.

This blog will delve into the science of greening out, examining why it affects some individuals but not others. We will provide practical tips to help you manage and prevent these occurrences. By grasping the underlying causes and solutions, you can take charge of your cannabis experience and ensure it stays safe and enjoyable.

Greening Out Explained: Why It Happens and How to Handle It?

Greening Out Explained: Why It Happens and How to Handle It

Greening out, or experiencing overwhelming effects from consuming too much cannabis, is an unpleasant experience that can catch even seasoned users off guard. It’s often accompanied by feelings of dizziness, nausea, a sense of unease, and a cascade of effects like increased heart rate or sweating. But what causes this reaction, and more importantly, how can you handle it if it happens?

The phenomenon occurs due to the interaction between THC—the psychoactive compound in cannabis—and the body’s endocannabinoid system. Factors like consuming a high dose, using potent products, or having a low tolerance can lead to an overload of THC in your system, causing a sense of discomfort and even feelings of unease. Other influences, such as your environment, hydration levels, and whether you’ve eaten recently, can amplify these unpleasant effects.

Handling a green-out effectively starts with recognizing the symptoms early. Hydrating, finding a calm space, and focusing on your breathing can help ease feelings of dizziness and nausea. Eating light snacks and drinking sugary beverages can also support your recovery. Most importantly, remind yourself that these effects are temporary and will pass.

In this guide, we’ll explore the science behind greening out, why it happens to some and not others, and actionable tips to navigate and prevent these situations. By understanding the causes and solutions, you can maintain control over your cannabis journey and ensure every experience remains safe and enjoyable.

Understanding the Symptoms and Causes of Greening Out

Here are the symptoms and causes of greening out, a term used to describe an unpleasant reaction to consuming too much cannabis:

Greening out is a term used to describe an unpleasant and sometimes overwhelming reaction to consuming too much cannabis. It typically occurs when a person consumes more cannabis than their body can handle, leading to a variety of uncomfortable symptoms. Here’s a breakdown of the symptoms and causes of greening out to help you understand the phenomenon better:

Symptoms of Greening Out:

  1. Panic Attacks and Feelings of Anxiety: One of the most distressing symptoms of greening out is the onset of panic attacks, which can trigger intense anxiety and feelings of panic. The psychoactive effects of cannabis can overwhelm the user, leading to emotional and psychological distress.
  2. Physical Symptoms – Muscle Shakes and Nausea: Along with psychological symptoms, physical symptoms such as muscle shakes and feelings of nausea are common during a greening-out episode. These adverse effects can lead to significant discomfort, leaving individuals feeling physically unwell.
  3. Dizziness, Lightheadedness, and Rapid Heartbeat: Overconsumption of cannabis can lead to dizziness, lightheadedness, and a rapid heartbeat (tachycardia). This can cause a sense of unease and make the individual feel overwhelmed as the body struggles to cope with the strong, long-lasting effects of cannabis.
  4. Extreme Anxiety and Psychological Distress: Greening out can cause heightened psychological distress, with individuals experiencing intense anxiety, feelings of unease, and emotional effects that make the experience even more difficult to handle. The cognitive function can also be impaired, making it hard to think clearly.
  5. Increased Heart Rate and Psychological Effects: The rapid heartbeat that accompanies greening out can be alarming. These adverse reactions may exacerbate the feelings of anxiety and panic, creating a vicious cycle of emotional and physical discomfort. The effects of marijuana in such cases can lead to feelings of panic and the perception of an overwhelming situation.
  6. Distressing Symptoms Affecting Daily Function: Some individuals may struggle with the cognitive and psychological effects of greening out, including memory issues, confusion, and a disrupted sense of reality. These effects can make the greening-out episode feel like a prolonged, unfavorable experience.
  7. Dry Mouth, Red Eyes, and Increased Blood Sugar: Like other forms of cannabis overuse, greening out can also cause common symptoms like dry mouth and red eyes. Additionally, the body may experience fluctuations in blood sugar, further complicating the physiological response.

If you are curious to know more about the effects of cannabis, check out our blog, Effects of Cannabis on the Five Senses.

Causes of Greening Out:

  1. High THC Content and Psychoactive Effects: One of the primary causes of greening out is consuming cannabis products with too high of a THC content. THC’s euphoric and mind-altering effects can overwhelm the system, leading to intense physical and psychological symptoms.
  2. Lack of Experience or Tolerance: Individuals who are new to cannabis or haven’t developed a tolerance to THC are more susceptible to the complexities of marijuana use. Their bodies are less equipped to handle strong doses, which may trigger the psychological and emotional effects that accompany greening out.
  3. Ingestion Method – Edibles and Stronger Effects: Edibles are known for their potent and long-lasting effects. Unlike smoking or vaping, edibles can take longer to take effect, causing users to unintentionally consume too much, resulting in intense and lasting psychological effects.
  4. Empty Stomach, Dehydration, or Low Blood Sugar: Consuming cannabis on an empty stomach or when dehydrated can amplify the adverse effects. Low blood sugar can contribute to feelings of nausea and lightheadedness, worsening the overall experience of greening out.
  5. Combining Cannabis with Other Substances: Combining cannabis with alcohol or other substances can enhance the psychoactive effects of marijuana, leading to more severe adverse reactions. This can lead to an overwhelming feeling of panic or psychological distress.
  6. Personal Sensitivity and Tolerance Levels: Some individuals have a natural sensitivity to the psychological and physical effects of cannabis. In these cases, even a small amount of cannabis can lead to unfavorable effects, including feelings of unease and distress.

How to Avoid Greening Out:

  • Start Slow and Be Mindful of Dosage: Starting with a low dose of cannabis, especially if you’re new to it, is key to avoiding greening out. Pay attention to the intensity of the effects and avoid consuming more if you’re already feeling overwhelmed.
  • Know Your Limits and Tolerance: Understand your personal tolerance to cannabis and the effects it has on your body and mind. This will help you avoid pushing past your limits, reducing the likelihood of greening out.
  • Hydrate and Eat: Staying hydrated and consuming cannabis after a meal can help stabilize your body’s response. Eating can also help prevent fluctuations in blood sugar, which can cause feelings of nausea and dizziness.
  • Be Aware of Different Consumption Methods: Keep in mind that edibles can have a stronger, longer-lasting effect compared to smoking or vaping, so start with a small dose and wait for the effects to kick in before considering more.

By understanding the symptoms, causes, and how to manage greening out, you can enjoy a more positive and controlled cannabis experience. Always remember to listen to your body and make informed choices to avoid the adverse effects of overconsumption.

Conclusion:

Greening out is a temporary but unpleasant reaction to consuming too much cannabis, often triggered by overconsumption, high THC levels, or personal sensitivity. The symptoms can include physical and psychological distress, such as nausea, dizziness, rapid heartbeat, anxiety, and feelings of panic. These adverse effects can be overwhelming, particularly for those with low tolerance or when consuming products with high THC content, like edibles.

However, understanding the symptoms and causes of greening out empowers users to make informed decisions. By starting with low doses, monitoring consumption, staying hydrated, and eating beforehand, individuals can minimize the chances of greening out and ensure a safer, more enjoyable cannabis experience. Always remember, moderation and awareness of personal tolerance are key to avoiding the unfavorable effects and ensuring that your cannabis experience remains positive and relaxing.

You can read more about greening out in this Compassion Behavioral Health article.

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