too high? here's what actually helps.
it happens to everyone eventually. you misjudged the edible, or the strain was stronger than expected, or you were more tired than you realized, and now your heart is going, your head is loud, and some part of your brain has decided this is an emergency.
it isn't. that's the first and most important thing to know, so we'll put it plainly: you are not in danger. there is no known lethal dose of cannabis for an adult, nobody has died from smoking too much of it, and what you're feeling is your body being briefly overwhelmed rather than harmed. it is intense and unpleasant and it will end. usually within an hour or two if you smoked, longer if it was an edible, but it ends every single time.
the second thing to know is that panic makes it worse, and panic is mostly what's happening. the racing heart makes you anxious, the anxiety makes your heart race, and the loop feeds itself. so most of what helps isn't a remedy at all. it's interrupting the loop.
change your setting. get somewhere that feels safe and boring. a dim room, a familiar couch, your own bed. if you're somewhere loud or crowded or full of people you'd rather not talk to right now, leaving is the single most effective thing you can do. discomfort has a location, and moving usually helps.
slow your breathing on purpose. it sounds too simple to matter, and it matters more than anything else on this list. long exhales, slower than feels natural, for a couple of minutes. it directly walks back the physical part of the panic, and the physical part is what's convincing your brain something is wrong.
give your senses something else to do. water, something to eat, a shower, a blanket, a familiar show you've seen forty times. cold water on your face or wrists helps some people. anything that reorients you toward the ordinary works better than lying there monitoring your own heartbeat.
cbd can genuinely take the edge off, if you happen to have any. it nudges the same receptors in the opposite direction from thc, and people commonly find it rounds off the sharpest part. it's not an antidote and it won't switch anything off, but it can help.
as for the folk remedies: black peppercorns get mentioned constantly, and there's a plausible mechanism behind it, caryophyllene, the peppery terpene, interacts with your body in a calming way. the evidence is thin and mostly anecdotal, but chewing a few peppercorns is harmless, and if the ritual of doing something helps you feel less stuck, that alone is worth something. lemon rind gets the same treatment for the same reason, limonene. try them if you like. don't expect a switch.
and then wait. that's the actual answer, unsatisfying as it is. it's a chemical timeline moving through your body, and there is no way to hurry it, only ways to make the wait less awful. put on something familiar, let yourself be uncomfortable and unharmed at the same time, and it will fade. if you can sleep through part of it, even better.
a couple of things genuinely worth knowing beyond the moment: alcohol makes it worse, so don't try to level it out with a drink. and if someone is vomiting repeatedly, can't stop, or has any condition that makes you actually worried, that's a call-someone situation, not a ride-it-out situation. cannabis alone rarely produces a medical emergency, but "rarely" isn't "never," and nobody should feel weird about getting help.
then, once you're on the other side of it, write it down. what you took, how much, and what tipped it over. that's not being obsessive, it's how the same night stops happening. too-high is almost always a dose-and-setting problem, and both of those are learnable. after a handful of honest notes you stop guessing about your own limits and start knowing them.
which is the entire point. not to be careful forever, just to know your number.