When is the best time to take propafenone?

This medicine works best when there is a constant amount in the blood. To help keep the amount constant, do not miss any doses. Also, it is best to take each dose at evenly spaced times day and night. For example, if you are to take 3 doses a day, doses should be spaced about 8 hours apart.

How much propafenone should I take?

Adults—At first, 225 milligrams (mg) every 12 hours. Your doctor may adjust your dose as needed. However, the dose is usually not more than 425 mg every 12 hours. Children—Use and dose must be determined by your doctor.

Can you take metoprolol and propafenone together?

Using metoprolol and propafenone together can lower your blood pressure and slow your heart rate. This can cause a slow heartbeat, headaches, arrhythmias, mental status changes, dizziness, or feeling like you might pass out. If you take both medications together, tell your doctor if you have any of these symptoms.

Can you take propafenone long term?

The majority of side effects were dose related especially when 900 mg/day was administered. Additionally, the incidence of toxicity was directly related to age. We conclude that side effects are frequent during long-term propafenone therapy, but most are mild, dose related, and do not limit the use of the drug.

How do I wean off propafenone?

If you have been using propafenone regularly for several weeks, do not suddenly stop using it. Check with your doctor for the best way to gradually reduce the amount you are taking before stopping completely. Propafenone may decrease the amount of sperm men make. Talk to your doctor if you have concerns about this.

What happens if you take too much propafenone?

It may cause fainting or serious side effects in some patients. Contact your doctor right away if your symptoms do not improve or if they get worse. 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.