Question: How much flecainide can you take?


What happens if you take too much flecainide?

Flecainide overdose may cause potentially fatal arrhythmia, myocardial depression, and ventricular dyssynchrony. Hypertonic sodium bicarbonate is the mainstay of medical therapy, though there may be a role for other antiarrhythmics and intravenous fat emulsion.

Does flecainide lower heart rate?

Flecainide belongs to the group of medicines known as antiarrhythmics. It works directly on the heart tissue and will slow the nerve impulses in the heart. This helps keep the heart rhythm normal. There is a chance that flecainide may cause new or make worse existing heart rhythm problems when it is used.

How long does flecainide take to work?

The single dose oral loading regimen of flecainide appears to be effective for cardioversion of recent-onset atrial fibrillation with a relatively rapid effect within 2-4 h, and is free of serious complications in patients without structural heart disease.

How often can you take flecainide?

Flecainide comes as a tablet to take by mouth. It is usually taken once every 12 hours. Some people may take flecainide once every 8 hours if they experience side effects or if their condition cannot be controlled by taking flecainide every 12 hours. Take flecainide at around the same times every day.

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How long can you stay on flecainide?

The place of flecainide in atrial fibrillation

In the acute setting, flecainide is recommended for pharmacological cardioversion of PAF of no more than 7 days’ duration, and there is also strong evidence supporting the use of flecainide prior to electrical cardioversion.

How does flecainide make you feel?

Flecainide can cause dizziness, headaches, fatigue and tremor.

Can flecainide damage the heart?

Heart failure warning.

Flecainide can cause or worsen heart failure. Your doctor will closely monitor the levels of this drug in your body if you have heart failure.

Does flecainide affect sleep?

Similarly, the labeling for flecainide describes a high level of CNS adverse effects including dizziness (19-30%), visual disturbances (16%), fatigue (8%) and somnolence and insomnia at a frequency between 1% and 3%.

What is flecainide 50 mg used for?

Flecainide acetate is a Class IC antiarrhythmic agent used for the treatment of severe symptomatic life-threatening ventricular arrhythmias and supraventricular arrhythmias.

Does flecainide make it hard to exercise?

Flecainide is a drug that does not affect physical performance. For this reason it is popular among competitive athletes, and it may be that physically active persons are overrepresented among flecainide users.

What is the best time to take flecainide?

This medicine may be taken with or without food. This medicine works best when there is a constant amount in the blood. To help keep this amount constant, do not miss any doses. Also, it is best to take the doses 12 hours apart, in the morning and at night, unless otherwise directed by your doctor.

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Is weight gain a side effect of flecainide?

Check with your doctor right away if you develop any of the following: chest pain; shortness of breath; swelling of your hands, ankles, or feet; or weight gain. These may be symptoms of heart failure. This medicine can cause changes in your heart rhythm, such as conditions called PR, QRS, or QT prolongation.

Is flecainide safe for long term use?

At least 6 cases of flecainide-induced peripheral neuropathy (sensory loss) have been reported and it appears to develop after prolonged use ( 2 to 10 years). Following discontinuation of flecainide therapy, symptoms (e.g., lower-extremity weakness and/or paresthesias, gait disturbance) resolved over 3 to 6 months.

What are the side effects of flecainide 50 mg?

Side effects of flecainide include:

  • visual disturbances.
  • dizziness.
  • irregular heartbeat (arrhythmias)
  • swelling.
  • weakness.
  • strong or irregular heartbeat (palpitations)
  • fatigue.
  • shakiness (tremors)

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