Riferimento farmaci
Mexiletine
Mexiletine is a medicine in the class cardiovascular. It is used for arrhythmias.
- Classe del farmaco: Cardiovascular
- Indicato per: arrhythmias
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In breve
- Classe del farmaco
- Cardiovascular
- Codice ATC
- C01BB02
- Interazioni note
- 121 (Controindicata: 2 · Maggiore: 16 · Moderata: 75 · Minore: 28)
- Nomi commerciali
- 1
- Paesi e mercati
- 1
Per cosa si usa
Come agisce
Class 1B antidysrhythmic; combines with fast Na channels & thereby inhibits recovery after repolarization resulting in decreasing myocardial excitability & conduction velocity
Dose abituale nell'adulto (sintesi del foglio illustrativo)
Ventricular Arrhythmias (Life-Threatening) Initial: 200 mg PO q8hr; may load with 400 mg followed by 200 mg PO q8hr if necessary for rapid control of ventricular arrhythmia
Gravidanza e allattamento
- Gravidanza
- Unknown No adequate human data. Animal studies showed no birth defects but more fetal loss (resorptions) at up to 4 times the human dose. Use only if the benefit outweighs the risk, for example for serious arrhythmias, with fetal monitoring.
- Allattamento
- Safe Passes into milk at levels similar to the mother's blood. US label: consider another way of feeding the infant. LactMed: doses up to 600 mg daily give low milk levels that are not expected to harm the infant.
Effetti indesiderati segnalati
- Vomiting
- Nausea
- Dizziness
- Ataxia
- Heartburn
Avvertenze in evidenza
- National Heart, Lung, and Blood Institute's Cardiac Arrhythmia Suppression Trial (CAST): Excessive mortality or nonfatal cardiac arrest (7.7%) shown with encainide or flecainide compared with placebo (3%) CAST was a long-term, multicenter, randomized, double-blind study in patients with asymptomatic non-life-threatening ventricular arrhythmias who had a myocardial infarction (MI) >6 days but <2 yr previously Average duration of treatment w/ encainide or flecainide in CAST was 10 months Applicability of CAST results to other populations (eg, patients without recent MI) is uncertain…
Controindicazioni
- Hypersensitivity to mexiletine
- Cardiogenic shock, preexisting 2°/3° AV block without pacemaker
Chi deve prestare attenzione
- Monitor and adjust dose to prevent QTc prolongation
- Use caution in CHF, hypotension, history of seizures
Informare il farmacista o il medico di gravidanza o allattamento, malattie renali o epatiche, allergie e di ogni altro farmaco o integratore assunto.
Interazioni principali (121)
- Fezolinetant + Mexiletine Contraindicated
- Mexiletine + Pimozide Contraindicated
- Alosetron + Mexiletine Major
- Amiodarone + Mexiletine Major
- Clozapine + Mexiletine Major
- Cobicistat + Mexiletine Major
- Dofetilide + Mexiletine Major
- Dronedarone + Mexiletine Major
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Mexiletine Major
- Fluvoxamine + Mexiletine Major
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- Dosing by age, kidney and liver function, and further dose lines
- Renal and hepatic dose adjustments
- Paediatric dosing
- How to give it
- Pharmacokinetics
- Patient counselling points
- Food interactions
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Altri farmaci della stessa classe
Domande frequenti
What is Mexiletine used for?
Mexiletine is a medicine in the class cardiovascular. It is used for Arrhythmias.
What side effects have been reported with Mexiletine?
Vomiting, Nausea, Dizziness, Ataxia, Heartburn. Serious warning: National Heart, Lung, and Blood Institute's Cardiac Arrhythmia Suppression Trial (CAST): Excessive mortality or nonfatal cardiac arrest (7.7%) shown with encainide or flecainide compared with placebo (3%) CAST was a long-term, multicenter, randomized, double-blind study in patients with…
Can Mexiletine be taken in pregnancy or while breastfeeding?
Pregnancy: Unknown. No adequate human data. Animal studies showed no birth defects but more fetal loss (resorptions) at up to 4 times the human dose. Use only if the benefit outweighs the risk, for example for serious arrhythmias, with fetal monitoring. Breastfeeding: Safe. Passes into milk at levels similar to the mother's blood. US label: consider another way of feeding the infant. LactMed: doses up to 600 mg daily give low milk levels that are not expected to harm the infant.
What does Mexiletine interact with?
MediHelp lists 121 known interactions for Mexiletine. Contraindicated: 2 · Major: 16 · Moderate: 75 · Minor: 28. The most serious include Fezolinetant, Pimozide, Alosetron.
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