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Q.

What are the side effects of amiodarone?

 

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A.

Nausea, vomiting, constipation, loss of appetite, shaking, or tiredness may occur. If any of these effects persist or worsen, tell your doctor promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: easy bruising/bleeding, loss of coordination, tingling/numbness of the hands or feet, uncontrolled movements, new or worsening symptoms of heart failure (such as ankle/leg swelling, increased tiredness, increased shortness of breath when lying down).

Seek immediate medical attention if any of these rare but serious side effects occur: faster/slower/more irregular heartbeat, severe dizziness, fainting.

Amiodarone may infrequently cause thyroid problems. Either low thyroid function or overactive thyroid function may occur. Tell your doctor immediately if you develop any symptoms of low or overactive thyroid, including cold or heat intolerance, unexplained weight loss/gain, thinning hair, unusual sweating, nervousness, irritability, restlessness, or lump/growth in the front of the neck (goiter).

This drug may cause your skin to be more sensitive to the sun. With long-term treatment, you may infrequently develop blue-gray color of the skin. This effect is not harmful and color may return to normal after the drug is stopped. Avoid prolonged sun exposure to help prevent this effect. ()

This drug may infrequently cause vision changes. Very rarely, cases of permanent blindness have been reported. Tell your doctor immediately if you develop any vision changes (such as seeing halos or blurred vision).

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

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