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Venlafaxine

An SNRI antidepressant used to treat depression and other mental health conditions.

Clinical information

Common uses

  • depression
  • anxiety and panic attacks
  • menopause hot flushes in women with breast cancer

Common side effects

  • headaches
  • feeling or being sick
  • feeling dizzy or drowsy
  • dry mouth
  • problems sleeping

Cautions

  • do not stop suddenly — withdrawal symptoms; dose reduced gradually
  • may not suit people with heart disease, epilepsy or glaucoma
  • get urgent help for serotonin syndrome or suicidal thoughts
  • best not to drink alcohol

Interactions

  • MAOI antidepressants (e.g. moclobemide)
  • warfarin, apixaban and other anticoagulants
  • NSAIDs such as aspirin and ibuprofen
  • St John's wort — do not use

Pregnancy: can be used if needed — lowest effective dose

Reference information, not medical advice — always follow your doctor or pharmacist. Source: NHS Medicines A–Z, nhs.uk/medicines/venlafaxine (accessed 2026-08-16)

Approved brands & formulations3

Brand nameDosage formStrengthImporterCategory
VenlafaxineTablet25 mgPOM
VenlafexineTablet37.5 mgPOM
VenlafexineTablet75 mgPOM
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