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SSRI

Fluvoxamine maleate

Brand names: Faverin

Adult dose

Dose: OCD/depression: 50–100mg OD initial, increase to max 300mg/day (>150mg in divided doses)
Route: PO
Frequency: OD or divided

Clinical pearls

  • First-line SSRI for OCD in some guidelines
  • Significant CYP1A2 interactions — particularly clozapine

Contraindications

  • Concurrent MAOI / pimozide / tizanidine
  • Hypersensitivity

Side effects

  • Nausea
  • Insomnia
  • Sweating
  • Sexual dysfunction
  • Bleeding risk
  • Hyponatraemia
  • QT prolongation

Interactions

  • Potent CYP1A2 inhibitor — clozapine/theophylline/methadone/olanzapine raised levels
  • MAOIs (avoid)
  • Warfarin
  • NSAIDs/aspirin (bleeding)

Monitoring

  • Mental state
  • BP
  • Weight

Reference: BNF; NICE CG31/CG90; https://bnf.nice.org.uk/drugs/fluvoxamine-maleate/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.