Fluvoxamine-doxepine
From Psychiatrienet
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Switch medication from fluvoxamine to doxepin.[2] [3]
Stop fluvoxamine - Day 0: gradually reduce dosage of fluvoxamine to a maximum of 50 mg/ day when this dosage is > 50 mg/day.
- Day 1: reduce dosage of fluvoxamine to a maximum of 25 mg/day.
Start doxepinCaution is necessary
- Day 1: simultaneously start administration of doxepin in a low dosage of 25 mg/day.
- Day 8: stop administration of fluvoxamine and continue administration of doxepin only. If necessary, increase dosage of doxepin.
More information- Fluvoxamine slows the metabolism of doxepin via CYP2D6, and possibly via CYP1A2 too.
- "Start low, go slow" is not required, but caution is necessary.
- ↑ 1.0 1.1 1.2 1.3 1.4 KNMP; Informatorium Medicamentorum 2023; Monografie "doxepine" (Dutch)
- ↑ Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules
- ↑ Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.
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