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Alternative medicines include: Sertraline (optimum alternative as similar indications, low interaction propensity, good tolerability, generic, NICE approved)

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Presentation on theme: "Alternative medicines include: Sertraline (optimum alternative as similar indications, low interaction propensity, good tolerability, generic, NICE approved)"— Presentation transcript:

1 Alternative medicines include: Sertraline (optimum alternative as similar indications, low interaction propensity, good tolerability, generic, NICE approved) Fluoxetine (beware of P450 interactions) Mirtazapine (depression indication only) New dose recommendations Citalopram max dose 40mg/day in adults and 20mg/day in the elderly and people with reduced hepatic function. Escitalopram max dose in elderly 10mg/day, no other dose changes. Pre-treatment (or current patients where not already checked): correct any electrolyte disturbances & undertake ECG for those with cardiac disease. Escitalopram remains non-formulary (except for use by tertiary OCD/BDD Services). Switch to different SSRI or antidepressant Other therapies considered Elderly or other risk factors above recommended dose Reduce dose stepwise. Monitor for 3 months If all other options exhausted consider maintaining previously effective dose [document unlicensed dose and rationale in notes; evidence of informed consent from service user with capacity]. Reduce and monitor any risk factors. Monitor with regular ECG (e.g. initially, 6-monthly and after any medicine or dose changes) and tell service user to report any abnormal heart rate or rhythm. If significant QT prolongation detected, must seek specialist advice and/or switch Adult above recommended dose Reduce dose stepwise. Monitor for 3 months Relapses or deterioratesRemains stable If es/citalopram dose currently above new recommendations: Discuss with service user/patient. Consider continued need for es/citalopram and alternative therapies. Consider switching if also taking any other medicines likely to cause QTc prolongation. (NB es/citalopram have few interactions and so has been a drug of choice where interactions are likely). Known to need above new MHRA recommended doses (elderly and reduced hepatic function) e.g. for OCD, PTSD Citalopram & Escitalopram maximum dose (MHRA Dec 2011) There is no comparative data available on QTc prolongation for other antidepressants/doses. There is no single switch method: Depending on es/citalopram dose, urgency, tolerability and other medicines then “drop, stop and switch” is safest. Abrupt switching is not recommended. If in doubt, consult medicines helpline (see below). If switching be aware of serotonin syndrome and es/citalopram discontinuation symptoms. Further advice: SWLStG Medicines Information on or contact your Mental Health Team 8/3/13 (Thanks to Prof S Bazire) Consider risk:benefit with service user. Switch if possible If under 18 refer to CAMHS (unlicensed use). Citalopram & escitalopram may cause a dose-dependent QTc prolongation: Contraindicated with known QTc prolongation, congenital long QT syndrome or taking other QTc-prolonging medicines e.g. antipsychotics, quinolones, macrolides & antiarrhythmics. Caution with higher risk of developing Torsades de Pointes (e.g. in heart failure, bradyarrythmia, hypokalaemia or hypomagnesemia). References see (search ‘escitalopram high dose’): Lundbeck communication and MHRA advicewww.nelm.nhs.ukLundbeck communication Other SSRIs: Check ECG if prescribing above BNF doses.


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