Cannabis (marijuana, or weed) affects everyone differently.
Some people use it to relax after a hard day. Others might smoke or eat an edible and suddenly feel scared, nervous, or panicked.
If you are experiencing this right now, you might feel like the uncomfortable feeling will never end.
Mercy Recovery Center offers support for those struggling with addiction, including cannabis-related anxiety.
The good news is that cannabis-induced anxiety is temporary. It will pass and your brain will return to its normal state.
We’ll discuss how long cannabis-induced anxiety lasts, factors that prolong it and ways to feel better.
What Is Cannabis-Induced Anxiety?
Cannabis (marijuana, or weed) contains chemicals called cannabinoids. The most famous one is THC. This chemical works in the brain, altering its perception, mood and thoughts.
When THC enters your body, it binds to tiny spots in your brain called receptors. Some of these receptors control:
- Fear
- Stress
- Emotions
For many people, THC brings a calm feeling. However, for others, too much THC triggers the body’s natural alarm system.
When this alarm turns on, you may experience:
- A fast heartbeat
- A tight chest
- A racing mind
This reaction is known as cannabis-induced anxiety.
According to the Centers for Disease Control and Prevention, “Cannabis may produce unwanted effects such as anxiety and paranoia. While it may seem like it’s very real, it is actually not physically dangerous. Your brain is simply reacting to the chemical.
How Long Does the Anxiety Last?
The total time you feel anxious depends on how you consumed the cannabis. Different methods break down in your body at different speeds.
Smoking or Vaping
When you smoke or use cannabis vapor, the THC passes directly into your lungs and then straight to your blood. You usually feel the effects within minutes.
- Peak Anxiety
The most intense sensation of dread typically occurs within the initial 30 minutes after inhaling.
- Duration
For many individuals, the severe anxiety begins to diminish after 1 to 3 hours.
Edibles and Drinks
Eating a gummy, brownie, or drink with cannabis is very different from smoking. Your body has to digest the food first. The liver changes THC into a stronger form before sending it to your brain.
- Delayed Onset
You may not see anything for 30-90 minutes.
- Peak Anxiety
The peak feeling may persist, typically 2 to 4 hours after consuming the food.
- Duration
High anxiety from edibles can last anywhere from 4 to 12 hours. You may feel slightly off or tired the evening after.
Why Does Some Anxiety Last Longer?
Not everyone has the same experience. Several things change how long your anxiety lasts:
The Amount of THC
The more cannabis you use, the stronger the effects. A small amount might give you a mild worry. A large amount can give you a full panic attack. Higher doses of THC overstimulate the fear centers in your brain.
Your Mindset
If you’re stressed or worried before using cannabis, it can make those feelings worse.
Your Environment
Your environment is very important. In a secure and reliable setting, you tend to feel less anxious. If you are in a strange place or with people who make you nervous, the anxiety can be worse.
Your Body Chemistry
Everyone digests food and processes drugs differently. Some bodies clean out THC faster than others.
What Can You Do When Cannabis Causes Anxiety?
If you are feeling anxious from cannabis use, the first thing to know is that the emotion often fades as the drug wears off.
Find a peaceful and comfy place. If you feel faint, sit down.
Breathe slowly and gently. Don’t increase your use of cannabis or alcohol or other drugs to alter the sensation.
Staying with someone you trust can also help.
Avoid constantly checking your pulse or looking online for sickening side effects. This can make anxious thoughts stronger.
If you can eat and drink normally, small amounts of water and a light snack may help you feel more comfortable.
Most importantly, give your body time to process the cannabis.
When the Feeling Lingers
Most people’s anxiety fades after THC clears, but some may feel jittery or depressed for days or weeks. Persistent anxiety might reveal an underlying mental health issue or difficulty in stress regulation.
Seeking professional help can be crucial. Experts in addiction and mental health can offer effective coping strategies.
At Mercy Recovery Center, we help people with substance challenges. We create a safe, non-judgmental space to restore mental peace. The right care can help restore balance to your life, whether you’re facing anxiety, addiction, or emotional distress.
We utilize:
- Evidence-based clinical practices
- Personalized counseling sessions
- Medication-assisted treatment, when clinically appropriate
Our staff includes physicians board-certified in addiction medicine and psychiatry. We also offer convenient telehealth services for residents of New Jersey, New York and Pennsylvania.
The Bottom Line
So, how long does cannabis-induced anxiety last?
For many people, anxiety improves as the effects of THC wear off. Symptoms usually resolve within a few hours of smoking or vaping. With edibles, the effects can last a lot longer, even most of a day.
Each person’s experience is different. Timing can be affected by THC content, product kind, body, prior cannabis use, stress and other things.
If cannabis is consistently triggering anxiety or panic, it may be time to look beyond the immediate effects.
Contact Mercy Recovery Center for confidential outpatient addiction treatment. We provide personalized support for those facing substance use and mental health issues.
FAQs
Is cannabis-induced anxiety dangerous?
It’s usually not dangerous but can be frightening. Rarely, it may cause panic attacks. If you have breathing issues or feel unsafe, seek medical help.
Can I overcome my cannabis-related anxiety by simply quitting?
Yes, for most people. It usually passes in 4-8 weeks after you have stopped smoking. If it continues, you may suffer from an underlying anxiety disorder and you should seek treatment for it.