Fluoxetine — Drug Interactions, Alcohol & Pregnancy Guide
Last reviewed: · Source: US FDA drug label database · 247CanITakeWith Editorial Team
- Fluoxetine is a SSRI used for Depression.
- Alcohol: Avoid alcohol with fluoxetine — it worsens depression and anxiety, and together they can cause increased sedation and unpredictable mood effects.
- Pregnancy: Fluoxetine in pregnancy should only be continued or started under medical supervision — untreated depression carries its own risks.
- This page covers 2 specific drug combinations with Fluoxetine.
About Fluoxetine
Fluoxetine (Prozac) is an SSRI antidepressant with an unusually long half-life (4-6 weeks to fully clear). This is important when switching medications, as interactions (especially with tramadol) can persist for weeks after stopping.
Also sold as: Prozac, Oxactin
Fluoxetine at a glance
Fluoxetine is classed as ssri and is used for depression, ocd, bulimia nervosa, panic disorder. It is a prescription medicine, so doses and combinations should always be agreed with your prescriber or pharmacist.
Typical adult dosing guidance: 20-60mg once daily. Your own label or prescription always takes priority over general figures.
Interactions most often flagged
- Tramadol
- Alcohol
- Pregnancy
Before you combine Fluoxetine with anything new
- Read the patient information leaflet for both products.
- Keep one up-to-date list of every medicine and supplement you take.
- Ask a pharmacist — it is free and takes a couple of minutes.
- Seek urgent medical help if you feel seriously unwell after combining medicines.
Fluoxetine and Alcohol
Avoid alcohol with fluoxetine — it worsens depression and anxiety, and together they can cause increased sedation and unpredictable mood effects.
Full guide →Fluoxetine in Pregnancy
Fluoxetine in pregnancy should only be continued or started under medical supervision — untreated depression carries its own risks.
Full guide →Fluoxetine — Drug Combinations
More in this category: antidepressants
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Frequently Asked Questions
What is Fluoxetine used for?
Fluoxetine is a SSRI used for Depression, OCD, Bulimia nervosa, Panic disorder.
What is the maximum adult dose of Fluoxetine?
The maximum adult dose is 20-60mg once daily. This is general guidance — always follow the dose on your prescription or product label, and check with a pharmacist if you're unsure.
Can I drink alcohol with Fluoxetine?
Avoid alcohol with fluoxetine — it worsens depression and anxiety, and together they can cause increased sedation and unpredictable mood effects.
Is Fluoxetine safe to take during pregnancy?
Fluoxetine in pregnancy should only be continued or started under medical supervision — untreated depression carries its own risks.
Is Fluoxetine available over the counter in the UK?
Fluoxetine is prescription-only in the UK.
What should I check before taking Fluoxetine with other medicines?
The interactions most often flagged for Fluoxetine are: tramadol, alcohol, pregnancy. Tell your pharmacist or prescriber about everything you take, including over-the-counter products, supplements and herbal remedies, before combining it with anything new.
What are the brand names for Fluoxetine?
Fluoxetine is sold under brand names including Prozac, Oxactin. The active ingredient is the same, so check labels carefully to avoid doubling up on it.
Do I need a prescription for Fluoxetine?
Fluoxetine is a prescription medicine, so take it exactly as your prescriber directed and ask them before changing the dose.
Not sure if Fluoxetine is safe with your other medications?
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.