There are a few unpleasant short-term side effects cannabis users may experience at one point or another. The majority seem to manifest in the inexperienced consumer, gradually dissipating as individuals become better acquainted with the sensation of being high and their tolerance rising.

One such unpleasantry is getting dizzy after you smoked. It can happen even to the most experienced of smokers. In some extreme cases, this dizziness can catapult itself into a full-blown “green out” - a term depicting the classic momentary loss of consciousness after inhaling a particularly strong hero dose of weed.

But not everyone hits the bong like there is no tomorrow. Many simply get dizzy even after a few tokes from a shared joint. But rest assured, this is perfectly benign. The truth is, cannabis does not directly make you dizzy.


Dizziness is a sensation caused by a sudden drop in blood pressure. Cannabis does lower blood pressure, as well as engorge the brain’s vascular system. By doing so, it creates a sort of double whammy effect.

Cannabis influences the bloodstream in many ways. In addition to causing an overall reduction in blood flow (aka pressure), the brain is all of a sudden able to hold more blood, slightly reducing the rest of the body’s circulating volume, and therefore causing an extra drop in pressure.

Have you ever felt dizzy from suddenly standing up after a long period of sitting down? The sudden jolt of going from sitting or prone position into fully erect vertical stance will cause very strong back pressure in your veins. Quite literally, the force of gravity momentarily causes your circulation to halt, making you immediately lightheaded. You do not need to be high for this to happen, but weed certainly does play a part in heightening the experience, as the psychoactive nature of THC does modulate your senses.

The exact same thing can happen while under the influence of alcohol, although at lower levels, alcohol reacts more like a stimulant than a depressant. But it is a usual affair for someone particularly intoxicated to stumble over.

Cannabis Smoking Dizziness


This is a common thought inexperienced cannabis users may have post-toke. We could call it a classic newbie bad trip. Cannabis is not lethal, but a bit of anxiety followed by dizziness can trigger a paranoid state fueled by fear – in this case, fear of the unknown – which could escalate into a panic attack.

Let us break the news, that it’s all in your head. When this happens, it just means you were overwhelmed by the sensation of being high, and a negative thought process took over.


Being lightheaded, woozy, losing your balance, or even flat out fainting because of cannabis is not dangerous at all (as long as you don’t hit your head). On the other hand, if you frequently experience this when you smoke, we strongly suggest trying a completely different strain from another lineage and compare. If you frequently get dizzy even without consuming weed, you should consult a doctor as soon as possible.

It is very common for some individuals to experience strong anxiety from indica strains while feeling perfectly in tune when enjoying a sativa. On the contrary, many people do not like sativas as they feel paranoid and head-locked, and prefer the more sedative body high of an indica. Some find their Holy Grail in a hybrid. As it stands now, CBD-rich strains are increasingly being used to mediate the intense psychoactive effects of THC.

The real trick here is to experiment as much as possible. Start slow, and do not let peer pressure ruin the experience for you. If you find yourself couch-locked, stretch your limbs and move around a bit before standing up to slightly pump your vascular system.

Have some snacks handy; not only for the munchies, but sugar and salt will increase blood pressure. Stay properly hydrated. More often than not, the good side effects of weed will remind you of these last two. In fact, mild dehydration is a transversal social phenomenon that causes a plethora of symptoms, with low blood pressure being one of the main ones.

Finally, if you do get dizzy – do not freak out! It happens to everyone, with or without weed. The sensation should subside relatively quickly. Grab ahold of something or sit back down, take a couple of deep breaths, do not let negative thoughts invade you – and within seconds, you will be good as new, and still equally high.


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