Buspar and Alcohol: What the Label Says
Studies found buspirone didn't add to alcohol's effects on thinking and coordination, yet the label still says it is wise to avoid drinking.
By withClaro Editorial · 2026-11-02 · 4 min read
Clinical section reviewed by Dr. Jason Tan , Consultant Psychiatrist, on October 27, 2026.
Key takeaways In two small 1980s studies of healthy young men, buspirone barely added to alcohol's effects on thinking and coordination. The label calls it prudent to avoid drinking on buspirone, and MedlinePlus says plainly not to drink, because alcohol adds to its drowsiness. How buspirone affects any one person is hard to predict, the label says, so the reassuring studies can't promise how you will react. Tell your prescriber how much you drink, especially if you also take a sedative. On this page
Why avoid alcohol on Buspar? What should you tell your prescriber about alcohol and Buspar? How can you lower the risk if you do drink? The buspirone label says formal studies found it didn't increase the impairment that alcohol causes in thinking and coordination. Behind that line are two small single-dose studies from the 1980s in healthy young men, of 12 and 24 people; one found only a slight added effect. The label still says it is prudent to avoid drinking while taking it. MedlinePlus is firmer: alcohol can add to the drowsiness buspirone causes, so do not drink while taking it. Buspirone is an anti-anxiety medicine, not a benzodiazepine like Xanax and not an SSRI: it is taken every day as a course and does not cause dependence, so the usual advice for either group only partly applies.
Why avoid alcohol on Buspar? Medically reviewed by Dr. Jason Tan on October 27, 2026, this section only.
Because no study can tell you how you will react. The label says buspirone is less sedating than other anti-anxiety medicines, but its effects on the brain in any one person may not be predictable. On top of that, the drowsiness from the two adds up, which is why MedlinePlus says not to drink. If drowsiness is already a problem on buspirone, see whether Buspar makes you tired . The clinical view on alcohol and mental health medicines:
Alcohol slows the brain down. It can deepen low mood and anxiety, especially the next day, and that can look like the medication is failing. Together, the two add to drowsiness and slow your reactions, which matters for driving.
If you drink or use cannabis regularly, including CBD or prescribed cannabis, or find it hard to cut down, tell your prescriber. It changes which medication and dose makes sense, and it is a conversation they have often. ## What labels of common anxiety and antidepressant medicines say about alcohol
Each FDA label words its alcohol advice differently. The table uses the section written for prescribers, except trazodone, where the patient section is clearer.
Medicine What the label says about alcohol Buspirone no added impairment in older studies, but prudent to avoid Trazodone do not drink until you talk with your prescriber; may strengthen alcohol's effect Remeron (mirtazapine) avoid alcohol; adds to impairment Cymbalta (duloxetine) no added impairment in a study, but not for people with substantial alcohol use; liver injury Wellbutrin (bupropion) minimize or avoid; must not be used while suddenly stopping alcohol; seizure risk with heavy use
This compares the wording of labels, not risk in a trial.
What should you tell your prescriber about alcohol and Buspar?
Tell your prescriber honestly how much and how often you drink. Buspirone is often prescribed alongside an SSRI or another medicine, so name everything you take. It helps to tell them:
How many drinks you have in a usual week. Whether you drink to ease anxiety. Benzodiazepines or sleep aids you also take. How you feel the day after drinking. Whether you're trying to cut down. Some things can't wait for the appointment: heavy drowsiness or confusion after drinking, a sharp drop in mood, or a spike in anxiety the next day. Call your prescriber that day. If you're having thoughts of harming yourself, contact emergency services or a crisis line straight away. In the US, call or text 988. In the UK, call Samaritans on 116 123. Elsewhere, find a crisis line near you .
How can you lower the risk if you do drink?
If you decide to drink before you have spoken to your prescriber, a few steps lower the risk. They come from NHS and NIAAA advice on cutting down, plus the label's caution about driving:
Eat before you drink, and have a glass of water first. Alternate alcoholic drinks with water or other non-alcoholic drinks. Count your drinks and decide your limit before you start. Do not drive after drinking, and wait until you know how buspirone affects you even without alcohol. Note how the evening and the next day went, so you have something concrete to tell your prescriber. Download on the App Store Alcohol can change anxiety and sleep the next day. The withClaro app lets you log mood, energy and sleep each day, including the day after drinking, linked to your dose, and turns it into a report for your prescriber.
Frequently asked questions Can you drink on buspirone? The label says it is prudent to avoid alcohol, and MedlinePlus says not to drink. If you plan to drink anyway, tell your prescriber how much and how often first.
How is buspirone different from Xanax? The label says buspirone is less sedating than other anti-anxiety medicines and causes no dependence, unlike benzodiazepines such as Xanax. That does not make drinking on it safe. If you take both, tell your prescriber, since the combination with alcohol adds up.
Can I skip buspirone if I'm going to drink? Skipping does not make drinking safer, because the advice is about alcohol and buspirone together, not about timing. Take your doses as prescribed and ask your prescriber how drinking fits.
Does alcohol make buspirone less effective? Alcohol can worsen anxiety, especially the next day, which can make it hard to tell whether buspirone is working. Note your anxiety on the days after drinking and share it with your prescriber.
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Sources BUSPIRONE HYDROCHLORIDE tablets prescribing information, US Food and Drug Administration via DailyMed Mattila MJ, et al. Acute effects of buspirone and alcohol on psychomotor skills. Journal of Clinical Psychiatry, 1982 Erwin CW, et al. Effects of buspirone and diazepam, alone and in combination with alcohol, on skilled performance and evoked potentials. Journal of Clinical Psychopharmacology, 1986 MedlinePlus: Buspirone TRAZODONE HYDROCHLORIDE tablets prescribing information, US Food and Drug Administration via DailyMed REMERON (mirtazapine) prescribing information, US Food and Drug Administration via DailyMed CYMBALTA (duloxetine) prescribing information, Eli Lilly and Company, revised August 2023 WELLBUTRIN XL (bupropion) prescribing information, US Food and Drug Administration via DailyMed NHS: Tips on cutting down alcohol NIAAA, Rethinking Drinking: Tips to try Claro articles are for self-monitoring and educational purposes only. They are not a medical device, therapist, or diagnostic tool, and do not replace care from your prescribing clinician. If you are in crisis, contact your care team, emergency services, the Samaritans (UK: 116 123), or the Crisis Text Line (US: text HOME to 741741).