Venlafaxine: Uses, Side Effects, and Drug Interactions

Brand names: Venlafaxine

# Venlafaxine: What You Need to Know Venlafaxine is a prescription medicine used to treat depression, anxiety, and certain other mood disorders. It works by helping balance chemicals in your brain that affect your mood and emotions. This medication is taken by mouth, usually once or twice a day, and it can take a few weeks to start working. It's important to take it exactly as your doctor prescribes and not to stop taking it suddenly, even if you start feeling better, because stopping too quickly can cause withdrawal symptoms like dizziness, nausea, and tingling sensations. Before taking venlafaxine, tell your doctor about all your health conditions, especially if you have high blood pressure, heart problems, or a history of substance abuse. This medicine can increase blood pressure and may cause side effects like nausea, dizziness, or sleep problems when you first start taking it. If you drink alcohol, it's generally safe to have occasional drinks while on this medication, but you should still talk to your doctor about what's safe for you. Never take venlafaxine with other medications without checking with your doctor first, as it can interact with certain drugs. If you experience any serious side effects or thoughts of harming yourself, contact your doctor or emergency services right away.

Known Interactions (10)

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Most Reported Side Effects (FAERS)

  • DRUG INEFFECTIVE9,708 reports
  • NAUSEA8,840 reports
  • FATIGUE8,004 reports
  • HEADACHE7,325 reports
  • DIZZINESS6,469 reports
  • DEPRESSION6,235 reports
  • ANXIETY6,039 reports
  • OFF LABEL USE5,772 reports
  • PAIN5,470 reports
  • DIARRHOEA5,159 reports

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

Recent Recalls (3)

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

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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.