Fluoxetine: Uses, Side Effects, and Drug Interactions

Brand names: Fluoxetine

# Fluoxetine Overview Fluoxetine is a medication used to treat depression, anxiety, and certain other mental health conditions. It works by helping to balance chemicals in the brain called neurotransmitters, which affect mood and emotions. This medication can help people feel better, sleep more soundly, and enjoy activities again. Doctors prescribe fluoxetine to both adults and children, depending on what condition needs treatment. It usually takes a few weeks to start working, so patients need to be patient and keep taking it as prescribed. There are some important safety things to know about fluoxetine. Patients should never take it with certain other medications called MAOIs, and they need to tell their doctor about all medicines they're taking because fluoxetine can interact with other drugs. One serious concern is that young people taking fluoxetine might have thoughts of hurting themselves, especially when first starting the medicine or changing doses—so close monitoring is important. Common side effects include nausea, sleep problems, and headaches, but these often improve over time. If someone decides to stop taking fluoxetine, they should talk to their doctor first, because suddenly stopping can cause problems. Pregnant women should also discuss this medication with their doctor before taking it.

Known Interactions (15)

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Most Reported Side Effects (FAERS)

  • DRUG INEFFECTIVE8,155 reports
  • NAUSEA7,514 reports
  • FATIGUE7,497 reports
  • HEADACHE6,385 reports
  • DEPRESSION6,053 reports
  • ANXIETY5,841 reports
  • DIZZINESS5,225 reports
  • DIARRHOEA5,224 reports
  • PAIN5,071 reports
  • OFF LABEL USE4,974 reports

Source: FDA Adverse Event Reporting System (FAERS). Voluntary reports do not establish causation.

Recent Recalls (2)

Source: FDA (openFDA Drug Enforcement). Voluntary and mandated recalls affecting this drug.

Supplement Interactions (1)

These dietary supplements may interact with Fluoxetine. Always consult your healthcare provider.

  • severe
    st. john's wort

    Both increase serotonin levels, risking serotonin syndrome (agitation, rapid heart rate, high blood pressure).

    Do not combine. Consult your doctor before using St. John's Wort if you take any antidepressant.

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SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.