Amiodarone may cause serious heart, liver, lung, or vision side effects.
This medicine may make it more easy to get sunburned, so avoid sunlight and tanning beds. Use a sunscreen (SPF 30 or higher) and wear protective clothing when outside.
Get emergency medical help if you notice signs of an allergic reaction, such as hives and swelling.
Find immediate medical attention if experience: chest pain, fast/pounding heart, breathing troubles, vision difficulties, pain in the upper stomach, vomiting, jaundice, dark urine, or if you cough up blood.
Contact your doctor immediately if you notice any of the following, even if they happen some months after you stop using amiodarone: wheezing, cough, chest pain, blood and mucus in cough, fever; new irregular heartbeat pattern, or worsening pattern; lightheadedness; blurred vision, seeing halos, and light sensitivity; symptoms of a liver issue such as nausea and vomiting, upper stomach pain, fatigue, jaundice, and dark urine; signs of a nerve problem, such as weakness, coordination problems, uncontrolled movements, prickliness; signs of a thyroid problem such as change in weight, thinning hair, feeling too hot or too cold, increased sweating, tremors, irritability and anxiety, irregular periods, neck swelling, fatigue, and trouble focusing.
Other common side effects include nausea, vomiting, constipation, and loss of appetite.
Note that amiodarone takes a long time to leave the body. Side effects may continue after you finish using it.
This guide does not cover all possible side effects and interactions.