Interações medicamentosas
Levofloxacin + Thioridazine
Gravidade: Contraindicada
Levofloxacin and Thioridazine: contraindicated interaction.
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Resumo
Thioridazine is strongly associated with dose-related QT prolongation and torsades de pointes, and its labeling contraindicates use with other QT-prolonging drugs. Adding levofloxacin compounds the arrhythmia risk.
O que esta interação significa em palavras simples
Levofloxacin and Thioridazine 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.
Levofloxacin belongs to Anti Bacterial; Thioridazine belongs to Central Nervous System.
Por que acontece
Additive blockade of cardiac potassium channels causing marked delay in ventricular repolarization.
O que fazer
Do not co-administer; select an antibiotic without QT liability. If a fluoroquinolone is unavoidable, thioridazine should be held under specialist guidance.
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 Levofloxacin
- Dronedarone + Levofloxacin Contraindicada
- Ibutilide + Levofloxacin Contraindicada
- Levofloxacin + Vandetanib Contraindicada
- Levofloxacin + Ziprasidone Contraindicada
- Adagrasib + Levofloxacin Grave
- Amiodarone + Levofloxacin Grave
Outras interações de Thioridazine
- Abiraterone + Thioridazine Contraindicada
- Adagrasib + Thioridazine Contraindicada
- Amiodarone + Thioridazine Contraindicada
- Amisulpride + Thioridazine Contraindicada
- Amitriptyline + Thioridazine Contraindicada
- Amoxapine + Thioridazine Contraindicada
Perguntas frequentes
Can I take Levofloxacin with Thioridazine?
MediHelp rates the interaction as contraindicated. Levofloxacin and Thioridazine 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. Thioridazine is strongly associated with dose-related QT prolongation and torsades de pointes, and its labeling contraindicates use with other QT-prolonging drugs. Adding levofloxacin compounds the arrhythmia risk.
How serious is the interaction between Levofloxacin and Thioridazine?
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-administer; select an antibiotic without QT liability. If a fluoroquinolone is unavoidable, thioridazine should be held under specialist guidance.
What other medicines interact with Levofloxacin?
MediHelp also lists interactions of Levofloxacin with, for example, Dronedarone, Ibutilide, Vandetanib. The full list is on the Levofloxacin page.
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