If you’ve ever enjoyed a cannabis session and suddenly realized your mouth feels like a desert, you’re not alone. That uncomfortable, parched sensation—often referred to as cotton mouth—is one of the most common side effects of consuming cannabis. Whether you're a seasoned smoker or a casual user, cotton mouth can sneak up on you and turn an otherwise relaxing experience into something annoying, even frustrating.
The good news? Cotton mouth is manageable—and often entirely avoidable. In this blog, we’ll break down what causes cotton mouth, how to relieve it quickly, and preventative strategies to keep your mouth moist and your vibes high.
What Is Cotton Mouth?
Cotton mouth (the technical term is xerostomia) occurs when your salivary glands don’t produce enough saliva, leading to dryness in your mouth and throat. While it can be caused by a variety of medications and conditions, cannabis is a well-known culprit.
This dry sensation doesn’t just feel uncomfortable—it can interfere with speaking, eating, or even enjoying the full flavor of your smoke or edibles.
Why Does Cannabis Cause Cotton Mouth?
The primary reason cannabis causes cotton mouth lies in its interaction with your endocannabinoid system, particularly the CB1 and CB2 receptors in your body.
According to a 2006 study published in the journal Experimental Biology and Medicine, THC—the main psychoactive component in cannabis—binds to cannabinoid receptors located in the salivary glands, particularly in the submandibular glands. This binding inhibits saliva production, leaving your mouth dry.
CBD can also contribute, although it’s generally THC that causes the stronger drying effect.(Prestifilippo 2006)
Quick Remedies: How to Get Rid of Cotton Mouth Fast
1. Stay Hydrated (But Do It Right)
This might sound obvious, but water is your best friend. Sip water consistently before, during, and after your cannabis session to keep your body and mouth hydrated.
Pro Tip: Don’t chug water all at once—small, consistent sips are more effective at keeping your mouth lubricated.
2. Chew Gum or Suck on Candy
Chewing gum or sucking on hard candy (especially sugar-free or xylitol-based) stimulates saliva production. Sour or citrusy flavors are especially effective because they increase salivary flow.
Try:
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Lemon drops
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Sugar-free mints
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Sour gummies (watch the sugar!)
3. Use Saliva Substitutes or Mouth Sprays
You can buy over-the-counter mouth moisturizers designed for dry mouth. These products are commonly used by people with medical conditions or medication side effects but work great for cannabis users too.
Look for:
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Biotène Mouth Spray or Gel
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ACT Dry Mouth Lozenges or Rinse
4. Try Herbal Tea or Coconut Water
Unlike sugary sodas or caffeinated drinks, herbal teas (especially chamomile or ginger) and coconut water hydrate without contributing to more dryness or sugar spikes.
5. Limit Alcohol, Coffee, and Smoking Tobacco
These dehydrate you further and make cotton mouth worse. If you’re mixing cannabis with alcohol or nicotine, expect a drier mouth.
Long-Term Strategies to Prevent Cotton Mouth
1. Switch Up Your Consumption Method
The way you consume cannabis can affect your experience with dry mouth. Inhalation methods like smoking or vaping tend to be more drying, while edibles, tinctures, or oils may have less impact on the mouth—though THC still affects your salivary glands.
Experiment with:
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Sublingual tinctures (held under the tongue)
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THC capsules
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THCA flower, which may produce milder psychoactive effects when not fully decarboxylated
2. Choose Strains with Balanced Cannabinoids
Some users report less cotton mouth when consuming strains higher in CBD or balanced THC:CBD ratios. While not foolproof, a milder cannabinoid profile may reduce the drying effects.
3. Use a Humidifier at Home
Especially if you live in a dry climate or use cannabis indoors frequently, a humidifier can help maintain general moisture levels, which eases mouth dryness.
4. Watch Your Dosage
Higher doses of THC tend to increase side effects, including dry mouth. Microdosing or reducing your intake might significantly ease cotton mouth without compromising your high.
When Cotton Mouth Becomes a Bigger Problem
Occasional dry mouth is annoying—but chronic or extreme dryness can lead to:
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Tooth decay
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Bad breath
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Difficulty swallowing or speaking
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Increased risk of mouth infections
If you’re experiencing these issues regularly, consider consulting a dentist or healthcare provider. You may need a more robust saliva substitute or treatment plan.
Natural Supplements That May Help
Some natural remedies may help increase saliva production and relieve cotton mouth:
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Aloe Vera Juice: Soothes dry mouth and is often included in dry mouth mouthwashes.
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Marshmallow Root Tea: A natural demulcent that coats the throat and may stimulate saliva.
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Ginger Tea or Capsules: Ginger is known to stimulate saliva production.
Always consult a healthcare provider before starting new supplements, especially if you have other conditions.
Myth-Busting Cotton Mouth
Myth: Cotton mouth only happens when smoking.
Fact: Any method of consuming cannabis that introduces THC into the bloodstream can cause dry mouth—even edibles or oils.
Myth: Drinking water before smoking will prevent cotton mouth.
Fact: It helps, but it’s not a guaranteed cure. THC’s effect on your salivary glands is chemical, not just a matter of hydration.
Myth: Only high-potency weed causes cotton mouth.
Fact: While high THC content may increase the effect, even low-dose strains can dry out your mouth depending on individual body chemistry.
Final Thoughts
Cotton mouth may be a harmless side effect, but it can seriously dampen your cannabis experience. The key to managing it is hydration, moderation, and preparation. Whether you’re enjoying a joint, a dab, or a THCA preroll, having a plan to stay hydrated will make all the difference.
At Tesoro Hemp, we believe in a luxury cannabis experience—from the flower to how you feel. That’s why our THCA products are crafted for purity, and we always recommend a smooth, comfortable sesh—which includes staying on top of dry mouth.
TL;DR: Cotton Mouth Cheat Sheet
✅ Before you smoke: Hydrate well
✅ While you're high: Sip water, chew gum, suck on sour candy
✅ Prevent it next time: Use tinctures, try balanced strains, use a humidifier
✅ Still dry? Try saliva sprays, herbal teas, or coconut water