If you’re too high right now, the most important thing to know is that what you’re feeling is temporary and not dangerous. Cannabis cannot cause a fatal overdose. The uncomfortable feelings, whether that’s racing thoughts, paranoia, or physical unease, will pass. Depending on how you consumed it, you’re looking at roughly one to three hours for smoked or vaped cannabis, or up to six hours for edibles.
Ground Yourself With Your Senses
When anxiety or paranoia spikes during a high, your mind can spiral into worst-case thinking. Sensory grounding pulls your attention back to the physical world around you and interrupts that loop. The simplest version: focus on three things you can see, three things you can hear, and three things you can touch. Don’t overthink it. A lamp on the table, the hum of the fridge, the texture of the couch cushion.
A more structured version is the 5-4-3-2-1 technique. Name five things you can see, four you can touch, three you can hear, two you can smell, and one you can taste. This works because it forces your brain to process real sensory input instead of feeding an anxiety spiral. It sounds almost too simple, but it’s a clinician-recommended tool for acute anxiety of any kind.
A few other physical tricks that help: squeeze something tightly in your hand, like a pillow or a pen, and then release it. Run cool or warm water over your hands. Do simple stretches like rolling your neck in a circle or raising your arms above your head. These small physical actions remind your nervous system that you’re safe and in control of your body.
Focus on Your Breathing
Deliberate breathing is one of the fastest ways to calm your body down. When you’re anxious, your breathing tends to get shallow and fast, which signals your body to stay in fight-or-flight mode. Slow it down by inhaling through your nose for a count of four, holding for four, and exhaling through your mouth for a count of six or eight. Pay attention to the sensation of air moving through your nostrils, or put a hand on your belly and feel it rise and fall.
You don’t need to do this for twenty minutes. Even five to ten slow breaths can shift your nervous system out of panic mode. If counting feels like too much, just try to make each exhale longer than each inhale. That ratio alone activates your body’s calming response.
Try Black Pepper or Citrus
This one sounds like folk wisdom, but there’s real science behind it. Sniffing or chewing on a few black peppercorns is a commonly reported way to take the edge off a high. The mechanism involves terpenes, aromatic compounds found in both pepper and cannabis, that interact with the same receptors THC targets.
Limonene, the terpene responsible for the citrus smell in lemons and oranges, has even stronger evidence. A 2024 Johns Hopkins study gave healthy adults vaporized THC alongside varying doses of limonene and found that the highest dose of limonene significantly reduced self-reported feelings of anxiety and paranoia compared to THC alone. You’re not going to replicate clinical doses by sniffing a lemon, but chewing on lemon peel, smelling fresh citrus, or drinking lemonade may help take the edge off, and it certainly won’t hurt.
Eat Something and Stay Hydrated
Food won’t eliminate your high, but eating a snack can help you feel more grounded and comfortable. Simple carbohydrates and familiar comfort foods work well. Some people swear by pine nuts specifically, and there’s a plausible reason: they contain a compound called alpha-pinene, which acts on the same enzyme system targeted by memory-enhancing medications. In theory, this could counteract some of the foggy, confused feeling THC produces, though this hasn’t been confirmed in human trials yet.
Drink water or juice. Cotton mouth makes everything feel worse, and staying hydrated helps your body process the THC more efficiently. Avoid alcohol, which intensifies the high and can make nausea much worse.
CBD Can Take the Edge Off
If you have access to a CBD product, it can genuinely help. CBD moderates THC’s psychoactive effects, particularly the anxiety and racing thoughts. Products with a high CBD-to-THC ratio (around 5:1 or 10:1) are commonly recommended for relaxation without the intensity that causes panic. If you have a CBD tincture, gummy, or vape cartridge around, using it while you’re uncomfortably high may soften the experience. A vape will act fastest since inhalation reaches your bloodstream within seconds.
Change Your Environment
Sometimes the simplest fix is the most effective. If you’re in a loud, crowded, or unfamiliar space, move somewhere quieter. Go to a different room, step outside for fresh air, or lie down in bed. Put on a TV show or movie you’ve seen before, something familiar and comforting that doesn’t require you to follow a complicated plot. Listen to music you love. Call or text a friend you trust.
A warm shower or bath can also help reset your body. The sensation of water gives your brain something physical and pleasant to focus on, and warmth relaxes tense muscles. If a shower feels like too much effort, even wrapping yourself in a blanket can provide that same sense of physical comfort and containment.
How Long This Will Last
Your timeline depends entirely on how the THC got into your system. If you smoked or vaped, THC hits your bloodstream within seconds and peaks about 6 to 10 minutes after your first inhale. The active effects are largely metabolized within two to three hours. You’ll likely start feeling more like yourself well before that.
Edibles are a different story. THC from food is absorbed much more slowly and unpredictably, with peak blood levels arriving 60 to 120 minutes after eating. The psychoactive effects can remain elevated for up to six hours, sometimes longer. If you ate an edible and you’re uncomfortable, the hardest part is that you may still be on the way up. Resist the urge to “do something” to fix it. Ride it out with the grounding and breathing techniques above, and remind yourself that the timeline is finite.
When It’s More Than Just Being Too High
The vast majority of “greening out” episodes, where someone feels nauseous, dizzy, sweaty, or panicky from too much cannabis, resolve on their own. But certain symptoms warrant real medical attention. If you experience fainting, rapid heartbeat that won’t slow down, rapid breathing, severe confusion or delirium, or signs of dehydration like very dark urine and extreme dizziness, those need to be evaluated. Cyclical vomiting that won’t stop, especially if it’s happened to you before after cannabis use, can indicate cannabinoid hyperemesis syndrome, which sometimes requires IV fluids.
For everything else, the best medicine is time, comfort, and distraction. You will feel normal again.