Propaphenone is the active substance in an antiarrhythmic medicine known commercially as Ritmonorm.
This oral and injectable medicinal product is indicated for the treatment of cardiac arrhythmias, its action decreases excitability, the speed of conduction of the heart, keeping the heart rate stable.
Ventricular arrhythmia; supraventricular arrhythmia
The 300 mg can of propafenone containing 20 tablets costs about 54 reais and the 300 mg can of medicine containing 30 tablets costs around 81 reais.
Vomiting nausea dizziness lupico syndrome; angioneurotic swelling.
Risk of pregnancy C; Non-allergic asthma or bronchospasm during lactation, such as emphysema or chronic bronchitis (may get worse); atrioventricular blockage; sinus bradycardia; cardiogenic shock or severe hypotension (may get worse); uncontrolled congestive heart failure (may get worse); sinus node syndrome electrolyte balance disorders (the proarthythmic effects of propafenone may be improved); Pre-existing cardiac conduction disorders (atrioventricular, intraventricular and sincatrial) in patients who do not use pacemakers.
Orally
Adults weighing more than 70 kg
Adult dose limit: 900 mg per day.
Patients weighing less than 70 kg
Elderly subjects or patients with severe heart damage
Injectable use
adults
Maintenance: 560 mg in 24 hours (70 mg every 3 hours); acute condition has ceased: use the profenanity tablet (300 mg every 12 hours).