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Average User Rating:
Multaq, 3.33 / 5 (3 votes)

Multaq Side Effects

Front and back of a Multaq tablet.

Severe Side Effects of Multaq

  • Multaq may cause heart failure in patients with permanent atrial fibrillation.  Please see the black box warning.
  • Liver failure may occur in some patients who take Multaq.  Multaq may increase creatine levels.
  • Multaq has caused pulmonary diseases such as pneumonitis and severe inflammation and scarring in the lungs (pulmonary fibrosis).

Common Side Effects of Multaq

  • The most common gastrointestinal side effects are upset stomach and vomiting, loose stools, general stomach pain, and dyspepsia or indigestion.  
  • Other common side effects include rash, dermatitis, and other skin reactions.
  • Some patients taking Multaq have reported general weakness and tiredness.