Like all the medicines Multaq too has some side effects. Some of them are common and patients must not worry about them as they subside with the time. But some of the Multaq side effects are quite serious and patients should immediately call the doctor if any of serious side effects occur.

Multaq is a drug for treatment of cardiac arrhythmia. It is manufactured by Sanofi-Aventis, the Paris based pharmaceutical giant. The U.S. Food and Drug Administration approved Multaq tablets to help maintain normal heart rhythms in patients, who have a history heart rhythm disorders such as atrial fibrillation or atrial flutter. It contains Dronedarone as main active ingredient. Heart rhythm disorders such as atrial fibrillation and atrial flutter could prevent pumping of blood out of the heart. Though FDA asked for a boxed warning asking patients to not use this drug in severe heart failure patients.

Common Side Effects Of Multaq

Multaq could cause many common side effects, which are temporary in nature. If any of these common side effects becomes chronic or persistent, it is advisable to call a doctor immediately. Some of the common side effects of Multaq are as follows-

Nausea or vomiting
Abdominal pain
Upset stomach;
Mild allergic reactions such as rash, redness, or itching
A slow heart rate (bradycardia), which is not alarming, in some patients
Mild heartburn
Patients should not worry about them unless they become severe and their condition worsens.

Severe Side Effects Of Multaq

Multaq could produce many severe side effects too. Patients should consult their doctor if any of these alarming side effects occur. Following are the serious side effects of Multaq.

Use of Multaq could produce severe allergic reaction such as hives, breathing problem or swelling of face, lips, tongue, or throat.
Some patients may develop heart arrhythmia. They can have slow heart rate or fast or pounding heartbeats. Some patients may develop irregular heartbeat or if they already have this condition, their condition may worsen.
Some patients may have feeling like passing out.
Some patients may develop breathing difficulty as a severe side effect of Multaq. They may feel mild exertion too.
Some patients might develop swelling in ankles or feet after using Multaq.
Rapid weight gain is another side effect, which can occur due to use of Multaq.
Some patients may suffer from wheezing, cough, chest pain, coughing up mucus while using Multaq.
Some patients may have difficulty while sleeping as they may have breathing trouble while sleeping.
Some patients may develop low level of electrolytes.
Use of Multaq could also lead to confusion or jerky muscle movements.
Some patients may develop extreme thirst while using this drug.
Some patients may develop increased urination or dark urine too, while using this drug.
Its use could also lead to leg discomfort, muscle weakness or limp feeling.
If a patient has developed dark urine, persistent nausea or vomiting, loss of appetite, severe abdominal pain or yellowing of eyes and skin or itching, he or she must call the doctor as they may be symptoms of any liver disease.
Some patients may develop unusual and severe dizziness or fainting with use of this drug, which could be lethal for the patient.
If a patient develops Muscle weakness, muscle cramps, confusion or disorientation, patient should tell the doctor, as it may be a sign of low electrolyte level (low level of potassium or magnesium).
Patients may develop signs of heart arrhythmia such as dizziness, lightheadedness, fainting, or a rapid heart rate or a very slow heart rate (bradycardia). In such case he should call the doctor immediately.
Patients may suffer some of the side effects of Multaq. Some patients may have no side effects. It is not possible to know about what side effects one could develop before using the drug. So, it is advisable to contact the doctor, if patients have any unusual experience.
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Author's Bio: 

Jack Taylor Powers Taylor LLP is a boutique litigation firm that represents people injured by unsafe drugs. The attorneys of Powers Taylor founded this firm to focus on client needs. We employ unique and creative litigation strategies to obtain decisive results for our clients.