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Why is this medication prescribed?

Sotalol is used to treat irregular heartbeats. Sotalol is in a class of medications called antiarrhythmics. It works by acting on the heart muscle to improve the heart's rhythm.

Sotalol can cause irregular heartbeats. For the first three days you take sotalol, you will have to be in a facility where your heart can be monitored. Tell your doctor if you have or have ever had kidney disease.

Betapace and Betapace AF are used for different types of irregular heartbeats and should not be used interchangeably. Make sure your doctor knows which product you have been taking.

Sotalol may interact with other medications

Sotalol oral tablet can interact with other medications, herbs, or vitamins you might be taking. That’s why your doctor should manage all of your medications carefully. If you’re curious about how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.

What should I do if I forget to take a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose. Do not take a double dose. If you miss more than one dose, contact your doctor.

How should I take sotalol (Betapace, Sorine, Sotylize)?

You will receive your first few doses of sotalol in a hospital setting where your heart can be monitored in case the medication causes serious side effects.

Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Side Effects of Sotalol

  • Dizziness or lightheadedness
  • Tiredness
  • Weakness
  • Headache
  • Upset stomach, constipation, or diarrhea
  • Muscle aches

How should I store this drug?

Keep sotalol in the container it came in.

Store tablets at room temperature.

Store sotalol away from heat, moisture and direct sunlight. Do not store this medication in the bathroom, near the kitchen sink or in damp places.

Warnings for people with certain health problems

For people with heart problems: Don’t take this medication if you have:

a heart rate lower than 50 beats per minute during waking hours

second or third degree heart block (unless a functioning pacemaker is in place)

a heart rhythm disorder that can cause fast, chaotic heartbeats

cardiogenic shock

uncontrolled heart failure