People often describe: - ongoing nausea that doesn’t fully go away - episodes of intense vomiting - difficulty keeping food or fluids down - a restless, uncomfortable feeling in the body And one very specific pattern: Hot showers or baths temporarily relieve symptoms.

Cannabis and Cyclic Vomiting: What Your Body Is Trying to Tell You

Joannie Hambel
Apr 24
2 min read

Updated: Jun 30

medicinal grade cannabis is being emptied onto a white background from a standard amber pill container.

If you haven’t read Part 1 on cannabis and anxiety, start there first:“Cannabis and Anxiety: Why It Can Feel Helpful at First—and Worse Over Time”

Because for many people, this doesn’t start with nausea.

It starts with anxiety.

This one surprises people

Cannabis is widely known for reducing nausea.

So when it starts causing nausea—and even severe vomiting—it can feel confusing, frustrating, and honestly a little alarming.

But this is something I see more often than you might expect.

And once you understand what your body is doing, it starts to make sense.

What is Cannabinoid Hyperemesis Syndrome?

This condition is called Cannabinoid Hyperemesis Syndrome.

It tends to develop in people who have used cannabis regularly over time.

Not immediately—but after the body has had time to adapt.

What it feels like

People often describe:

ongoing nausea that doesn’t fully go away
episodes of intense vomiting
difficulty keeping food or fluids down
a restless, uncomfortable feeling in the body

And one very specific pattern:

Hot showers or baths temporarily relieve symptoms.

Your body is trying to stay in balance

Your body is always working toward balance.

When something repeatedly pushes your system in one direction, your body adjusts to compensate.

Cannabis initially calms nausea.

But with repeated use, the system adapts:

the receptors become less responsive
signaling becomes inconsistent
the effect can reverse

At that point, instead of reducing nausea, cannabis can start triggering it.

Why hot showers help

Heat activates a different pathway in the body that can override nausea signals for a short time.

That’s why people often take multiple hot showers a day during episodes.

How this connects back to anxiety

For many patients, cannabis use didn’t start because of nausea.

It started because of anxiety.

And cannabis never addressed the root cause.

Why testing matters

If you want to move beyond this cycle, guessing isn’t enough.

Testing can help identify what your body has been responding to all along.

Work with me

If you’re dealing with this, you don’t have to figure it out alone.

Reach out to schedule a consultation.

Disclaimer: This content is for educational purposes only and is not a substitute for personalized medical or psychiatric care. Individual needs vary. Please consult with a qualified healthcare provider before making changes to your treatment.