Can You Take Fluoxetine with Alcohol?
Last reviewed: · Source: US FDA drug label database
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Avoid alcohol with fluoxetine — it worsens depression and anxiety, and together they can cause increased sedation and unpredictable mood effects.
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- Alcohol is a CNS depressant that works against what fluoxetine is treating — it can worsen depression and anxiety rather than just interact chemically.
- Early treatment, when your body and brain chemistry are still adjusting, is when alcohol is most likely to destabilise mood.
- Combined sedation can impair judgment and reaction time — avoid driving if you feel drowsy after drinking.
- People with a history of alcohol misuse should be especially cautious, as fluoxetine doesn't reduce alcohol's effects.
Is it safe to take Fluoxetine with Alcohol?
Like all SSRIs, fluoxetine should not be mixed with alcohol. Alcohol is a CNS depressant that worsens depression and anxiety — the very conditions fluoxetine treats. The combination can cause increased sedation, emotional instability, and impaired judgment. Fluoxetine also inhibits CYP2E1 to a minor degree, potentially slightly increasing alcohol's effects. The NHS advises all patients on fluoxetine to avoid alcohol.
How do Fluoxetine and Alcohol interact?
Alcohol enhances GABA-A inhibitory activity and is independently antidepressant-counteractive at the neurochemical level. Fluoxetine inhibits serotonin reuptake; alcohol disrupts serotonin regulation. The combination destabilises the serotonergic equilibrium fluoxetine is trying to establish. Additionally, fluoxetine's inhibition of CYP2D6 and CYP2C19 may mildly affect alcohol metabolism in some individuals.
Data sourced from the US Food and Drug Administration (FDA) drug label database: OpenFDA fluoxetine drug label.
Interaction severity
Rated moderate: alcohol undermines the treatment fluoxetine is providing and adds to its sedative effects, but an occasional small drink isn't typically dangerous for most people — the bigger risk is to mood stability over time, especially early in treatment.
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Check Price →Who should be careful?
Everyone on fluoxetine, but particularly those with a history of alcohol misuse, those in early treatment, and those with co-occurring anxiety disorders.
What if I've already taken Fluoxetine and Alcohol?
If you have had a small amount of alcohol on fluoxetine and feel well, no immediate action needed. If you feel very sedated or emotionally destabilised, rest in a safe place. Avoid driving.
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Not sure if this combination is safe for your specific situation?
HealthLabs.com lets you check liver enzyme or kidney function levels before combining medications long-term — no GP referral needed.
Check your levels at HealthLabs →Always speak to your pharmacist or GP for personalised medical advice. Affiliate link — we may earn a commission.
Frequently Asked Questions
Can I drink alcohol while taking fluoxetine?
No. Alcohol worsens depression and anxiety and can increase fluoxetine's sedative effects. The NHS recommends avoiding alcohol entirely while taking fluoxetine.
What happens if you drink on Prozac?
You may feel more sedated than usual, have impaired judgment, and experience unpredictable mood changes. In the longer term, alcohol counteracts fluoxetine's therapeutic effects.
Can I have one glass of wine on fluoxetine?
The NHS advises against it. While one glass is unlikely to cause a medical emergency, it undermines your treatment and can trigger mood instability in some people.
Does fluoxetine make you more sensitive to alcohol?
It may, in some people. The combination can produce more sedation than alcohol alone would in some individuals, though responses vary significantly.