Treats arrhythmias or heart rhythm problems.
When This Medicine Should Not Be Used
How to Use This Medicine
- Your doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.
- A nurse or other health provider will give you this medicine.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are using digoxin, Lanoxin®, or Digitek®.
- Make sure your doctor knows if you use any medicines to control heart rhythm such as disopyramide, quinidine, Cardioquin®, Norpace®, or Quinaglute®.
- Make sure your doctor knows if you are using aspirin, atropine, dicyclomine, or Bentyl®. Tell your doctor if you use glycopyrrolate, scopolamine, Robinul®, or Transderm Scop®.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding.
- Make sure your doctor knows if you have congestive heart failure or kidney disease. Tell your doctor if you have liver disease or a muscle disease such as myasthenia gravis.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Chest pain or chest tightness.
- Dark-colored urine or pale stools.
- Fast, pounding, or uneven heart beats.
- Fever, chills, cough, sore throat, or body aches.
- Light-headedness or fainting.
- Pain in your upper stomach, nausea, vomiting, or loss of appetite.
- Unusual bleeding, bruising, or weakness.
- Yellowing of your skin or the whites of your eyes.
If you notice these less serious side effects, talk with your doctor:
- Bitter taste in your mouth.
- Dizziness, tiredness, or weakness.
- Depression or agitation.
- Mild nausea, vomiting, diarrhea, constipation, or stomach pain.
- Mild skin rash or itching.
- Pain in your joints.
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
- Last reviewed on 8/4/2014
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2013 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.