Vaping cannabis can cause cough and throat irritation. The vapor contains particles and chemicals that contact the airways. This can lead to a cough that starts during or after use. Throat irritation includes dryness, scratchiness, or pain.

Can You Vape Cannabis and Still Function the Next Day?

Why It Happens

Vape devices heat cannabis oil or concentrate to make an aerosol. That aerosol is not just water vapor. It contains cannabinoids, terpenes, and sometimes additives like propylene glycol or polyethylene glycol. These substances can irritate the throat and lungs.

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Heat is another factor. Hot vapor can burn or dry the mucus membranes in the throat. Small particles in the vapor can deposit in the airways and trigger a cough reflex.

cannabis vape aftermath cough and throat irritation

Common Symptoms

What to Do

Stop vaping for a few days to let the throat and airways recover. Drink water to keep the throat moist. Use a humidifier at home. Warm liquids like tea with honey can soothe irritation. Avoid smoke, strong scents, and other lung irritants.

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If you cough, note when it happens and what product you used. Some people react to specific terpenes or additives. Switching to a different product or a lower temperature setting may reduce symptoms.

When to See a Doctor

Seek medical care if you have:

These signs can indicate a lung infection or a serious condition like EVALI (e-cigarette or vaping product use-associated lung injury). The CDC reports that EVALI has caused hospitalizations and deaths. Anyone with these symptoms should see a doctor.

Prevention

Lower the vape temperature if the device allows. High heat creates more irritants. Take smaller puffs and wait between puffs. Choose products with fewer additives. Avoid black market or unregulated vape cartridges, which may contain vitamin E acetate, a chemical linked to EVALI.

Drink water before and after vaping. Keep the throat moist. Consider using a water pipe or bubbler to cool and filter the vapor, though this does not remove all irritants.