Alcohol is the most widely used drug in Europe, so it is no surprise that many people wonder whether drinking on mushrooms is safe. What happens when you mix psilocybin and alcohol? This harm reduction guide explains the risks of combining them, what emergency data shows, and why researchers are also studying psilocybin as a possible treatment for alcohol problems.
This article is for general information only. It does not encourage drug use, and psilocybin is illegal in many countries. In an emergency, call 112 in Europe or your local emergency number.
Why People Mix Psilocybin and Alcohol
Often, mixing is not planned. People may take mushrooms at a party or festival where they are already drinking. Others drink to calm their nerves before the effects begin, or to "take the edge off" during the experience. However, these two substances affect the brain in very different ways, and the combination is harder to predict than either one alone.
Drinking on Mushrooms: How Alcohol Changes the Experience
Alcohol slows the brain and lowers inhibitions, while psilocybin changes perception, emotions and thinking. Some people report that alcohol dulls the effects of mushrooms. However, it can also cloud judgment and make it harder to stay calm and oriented during a strong experience.
In addition, alcohol and psilocybin can both cause nausea. Together, they make vomiting more likely, which can be dangerous for someone who is very drunk or confused. Moreover, people who feel only mild effects from mushrooms may keep drinking, and then misjudge how impaired they really are.
What Emergency Data Shows
Serious problems with magic mushrooms are rare. A study based on the Global Drug Survey looked at more than 9,000 people who had used magic mushrooms in the past year [1]. Only 0.2% had needed emergency medical treatment, and almost all of them recovered within 24 hours.
Even so, the study offers an important lesson. The most common reasons people gave for these incidents were a poor mindset, a poor setting and mixing substances. Alcohol is one of the substances people most often combine with others, so it can easily become part of a risky situation. Our guide to bad trips explains how to recognize and respond to a difficult experience.
Physical Risks of Mixing
For most healthy people, a small amount of alcohol with psilocybin is unlikely to cause a medical emergency. Nevertheless, the risks rise with the amount of both substances. The main dangers include:
- Accidents and injuries: poor coordination and judgment make falls and accidents more likely.
- Dehydration: alcohol, sweating and vomiting can quickly lead to dehydration, especially at festivals.
- Choking: vomiting while very drunk or confused can be dangerous.
- Heart strain: psilocybin raises heart rate and blood pressure. Read our article on psilocybin and the heart for more.
Never drive after using either substance, and never leave a heavily intoxicated person alone.
Psilocybin as a Treatment for Alcohol Use Disorder
Interestingly, researchers are also testing whether psilocybin could help people drink less. In a 2022 clinical trial in the United States, 95 adults with alcohol use disorder received psychotherapy plus either psilocybin or an active placebo [2]. Over the following 32 weeks, the psilocybin group had significantly fewer heavy drinking days.
However, this was carefully controlled therapy with screening, trained therapists and medical monitoring. It is very different from drinking and using mushrooms at the same time. Our article on psilocybin for addiction covers this research in more detail.
Harm Reduction Tips
The safest choice is to avoid mixing alcohol and psilocybin. For anyone who decides to anyway, these steps can lower the risk:
- Keep alcohol to a minimum, and avoid binge drinking.
- Drink water regularly, and eat beforehand.
- Take a lower dose of mushrooms than usual. See our magic mushroom dosage guide.
- Stay with trusted people in a safe place, ideally with a sober sitter.
Our guide to psilocybin and cannabis explains the risks of another common combination.
Frequently Asked Questions
Can you drink alcohol on mushrooms?
It is possible, but it is not recommended. Alcohol makes the experience less predictable and increases the risk of accidents, nausea and poor decisions.
Does alcohol make mushrooms weaker?
Some people report that it dulls the effects, but there is no good research on this. Drinking more to "balance" the effects can lead to heavy intoxication.
How long should you wait to drink after taking mushrooms?
Many harm reduction services suggest waiting until the effects have fully worn off, which usually takes at least six hours. Our article on how long psilocybin lasts explains the timeline.
Conclusion: Psilocybin and Alcohol Are Best Kept Apart
Psilocybin and alcohol affect the brain in very different ways, and mixing them makes an experience harder to predict and manage. Although serious emergencies are rare, mixing substances is one of the most common reasons for them. Clinical research on psilocybin for alcohol use disorder is promising, but it takes place in a controlled setting. For an overview of other risks, read our guide to psilocybin effects and safety.
Sources
- Kopra EI, et al. Adverse experiences resulting in emergency medical treatment seeking following the use of magic mushrooms. Journal of Psychopharmacology. 2022. doi:10.1177/02698811221084063
- Bogenschutz MP, et al. Percentage of heavy drinking days following psilocybin-assisted psychotherapy vs placebo in the treatment of adult patients with alcohol use disorder: a randomized clinical trial. JAMA Psychiatry. 2022. doi:10.1001/jamapsychiatry.2022.2096
