Cardirest 50 & 100 50 mg, 100 mg Tablet
PDF Leaflet Revision Date: 11 July 2023
Clinical Summary
Quick overview from the medicine insert
Indication
Control of sustained ventricular dysrhythmias and AV nodal reciprocating tachycardia.
Dosage (summary)
Starting 50 mg twice daily for supra-ventricular; 100 mg twice daily for ventricular dysrhythmias.
Special Populations
- Renal impairment
- Hepatic impairment
- Elderly
Pregnancy & Breastfeeding
Contraindicated in pregnancy and breastfeeding.
Key Drug Interactions
- CYP2D6 inhibitors/inducers
- Class 1 anti-dysrhythmics
- Calcium channel blockers
Contraindications
- Hypersensitivity to flecainide
- Cardiac failure
- Recent myocardial infarction
- Structural heart disease
Common side effects
- Dizziness
- Visual disturbances
- Pro-dysrhythmic effects
Counselling Points
- Monitor for dizziness and visual disturbances.
- Avoid use with certain anti-dysrhythmics.
- Regular plasma level monitoring recommended.
Serious warnings
- Increased mortality risk in post-myocardial infarction patients
- Pro-dysrhythmic effects
- QT prolongation
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