Clozapine/Fluvoxamine
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When these two medicines are taken together, your body may not process clozapine as quickly.
What might happen:
Your blood levels of clozapine may increase. You may experience a fast heartbeat, low blood pressure, fatigue, dizziness, increased salivation, seizures or decreased breathing.
What you should do about this interaction:
If you experience these problems, contact your doctor right away. The dose of your medicines may be need to be adjusted. Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
References:
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11.Joos AA, Konig F, Frank UG, Kaschka WP, Morike KE, Ewald R. Dose-dependent pharmacokinetic interaction of clozapine and paroxetine in an extensive metabolizer. Pharmacopsychiatry 1997 Nov;30(6):266-70.
12.Anghelescu I, Szegedi A, Schlegel S, Weigmann H, Hiemke C, Wetzel H. Combination treatment with clozapine and paroxetine in schizophrenia: safety and tolerability data from a prospective open clinical trial. Eur Neuropsychopharmacol 1998 Dec;8(4):315-20.
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14.Bess AL, Cunningham SR. Dear Healthcare Provider: Important drug warning and new information about Clozaril. Novartis Pharmaceuticals Corporation December, 2005.
15.Clozaril (clozapine tablets) US prescribing information. Novartis Pharmaceuticals Corporation October, 2011.





