Interações medicamentosas
Fluphenazine + Pimozide
Gravidade: Contraindicada
Fluphenazine and Pimozide: contraindicated interaction.
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Resumo
Fluphenazine is a phenothiazine antipsychotic that blocks hERG potassium channels and can lengthen the QTc, and pimozide has a pronounced dose-related QTc-prolonging effect. Using them together adds to delayed repolarisation and raises the risk of torsades de pointes, especially with hypokalaemia, hypomagnesaemia, bradycardia or structural heart disease.
O que esta interação significa em palavras simples
Fluphenazine and Pimozide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Fluphenazine belongs to Central Nervous System; Pimozide belongs to Central Nervous System.
Por que acontece
Additive blockade of cardiac repolarising potassium currents (hERG)
O que fazer
Do not co-prescribe; choose an agent without QT liability. If one drug cannot be stopped, correct electrolytes and monitor the ECG closely.
O que perguntar ao farmacêutico
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Outras interações de Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicada
- Dofetilide + Fluphenazine Contraindicada
- Fluphenazine + Ibutilide Contraindicada
- Adagrasib + Fluphenazine Grave
- Alfentanil + Fluphenazine Grave
- Amiodarone + Fluphenazine Grave
Outras interações de Pimozide
- Adagrasib + Pimozide Contraindicada
- Amiodarone + Pimozide Contraindicada
- Amisulpride + Pimozide Contraindicada
- Amitriptyline + Pimozide Contraindicada
- Amoxapine + Pimozide Contraindicada
- Anagrelide + Pimozide Contraindicada
Perguntas frequentes
Can I take Fluphenazine with Pimozide?
MediHelp rates the interaction as contraindicated. Fluphenazine and Pimozide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Fluphenazine is a phenothiazine antipsychotic that blocks hERG potassium channels and can lengthen the QTc, and pimozide has a pronounced dose-related QTc-prolonging effect. Using them together adds to delayed repolarisation and raises the risk of torsades de pointes, especially with hypokalaemia, hypomagnesaemia, bradycardia or structural heart disease.
How serious is the interaction between Fluphenazine and Pimozide?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not co-prescribe; choose an agent without QT liability. If one drug cannot be stopped, correct electrolytes and monitor the ECG closely.
What other medicines interact with Fluphenazine?
MediHelp also lists interactions of Fluphenazine with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Fluphenazine page.
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