This site has information intended for people who have been prescribed MULTAQ as well as for their caregivers.
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Stress has been known to cause irregular heartbeats. In stressful situations, your body releases adrenaline, a hormone that causes an increase in heart rate. And adrenaline can interfere with the electrical system of the heart. This isn't good for someone with atrial filbrillation (AFib), a condition in which the heart's electrical system is already not working the way it should.

Try looking at the different aspects of your life—home, work, social relationships—to identify sources of stress. This can be the first step toward reducing it.

Exercise every day.

Exercise reduces adrenaline. And exercise doesn't have to be strenuous to be beneficial. It can be as simple as a walk out to the mailbox. In fact, one recent study showed that the incidence of AFib was 22 percent lower for those who walked 5 to 11 blocks per week compared to those walked fewer than 5 blocks per week.

Be sure to talk to your doctor before starting any exercise program.

Practice breathing.

Breathing exercises help relax the body and focus the mind. Try taking a little time every day to sit in a chair and practice deep, regular breathing.

Get plenty of sleep.

Sleeping is as important to our health as food, water, and air. It gives the body an opportunity to recharge. To help get a good night's sleep, check your bedroom for ways to make your room more comfortable. It could be something as simple as a better pillow, or getting heavier curtains to block streetlights and noise.

Avoid smoking and drinking alcohol.

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We all know that smoking is bad for your health. Smoking raises blood pressure, which increases the risk of stroke. Alcohol can also make AFib worse. So it's recommended that you do not smoke or drink alcohol when you have AFib.

Important Safety Information

Do not take MULTAQ if you have severe heart failure or if you have been in the hospital recently for heart failure, even if you are better now. People with severe heart failure who take MULTAQ have an increased chance of dying.

Call your doctor immediately if you're taking MULTAQ and feel symptoms of worsening heart failure. These may include weight gain, leg swelling, and increasing shortness of breath while resting.

You should not take MULTAQ if you have severe liver problems.

You should not take MULTAQ if you are breastfeeding, pregnant, or plan to become pregnant as it is not known if it may pass to or harm your baby.

Your potassium levels should be within the normal range prior to and while taking MULTAQ. Tell your doctor about any diuretic medications you are taking as some can lower the level of potassium or magnesium in your blood.

Your doctor may perform certain tests, such as heart exams and blood tests, while you're taking MULTAQ.

MULTAQ can interact with certain medications and herbal supplements. Do not use the following medications with MULTAQ:
  • Nefazodone
  • Voriconazole
  • Ritonavir
  • Telithromycin
  • Ketoconazole
  • Clarithromycin
  • Itraconazole
  • Cyclosporine
The following medicines can lead to a dangerous abnormal heart rhythm if taken with MULTAQ:
  • Phenothiazines
  • Tricyclic antidepressants
  • Certain medicines used to treat abnormal heart rhythm or fast heartbeat
  • Certain antibiotics
Please read the accompanying Medication Guide and tell your doctor about all medications you take to help avoid serious drug interactions. Do not drink grapefruit juice while taking MULTAQ.

The most common side effects when taking MULTAQ are diarrhea, nausea, stomach pain, skin rash, and slowed heartbeat.

Full Prescribing Information Including Boxed Warning

MULTAQ Medication Guide (English)

Guía del Medicamento de MULTAQ (Español)

Click here for information on drug anti-counterfeiting

Remember, your doctor is the single best source of information regarding your health. Please consult your doctor if you have any questions about your health or your medicine.

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MULTAQ is a prescription medicine used to lower the chance you would need to go into the hospital for heart problems. It is meant for people who have had an abnormal heart rhythm called atrial fibrillation (AFib) or atrial flutter (AFlutter) in the last 6 months, but who may currently have a regular heart rhythm or will have medical treatment to return to a regular rhythm. MULTAQ may be safely used by people who have had AFib and AFlutter who also have other conditions such as high blood pressure, stroke, or diabetes.

Important Safety Information
Do not take MULTAQ if you have severe heart failure or if you have been in the hospital recently for heart failure, even if you are better now. People with severe heart failure who take MULTAQ have an increased chance of dying.
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