• Avoid prolonged or excessive exposure to direct and/or artificial sunlight while using this medication.
• Warning: Do not use if you are pregnant, suspect that you are pregnant, or while breastfeeding. Consult your doctor or pharmacist.
• Do not eat grapefruit or drink grapefruit juice at any time while taking this medication.
• Be consistent in how to take each dose of this medicine. Either take it with food or without food.
• May cause dizziness
• This drug may impair the ability to operate a vehicle, vessel (e.g., boat), or machinery. Use care until you become familiar with its effects.

Common side effects

• Hypotension
• Interstitial pneumonitis
• Pulmonary fibrosis
• Alveolitis
• Constipation
• Skin photosensitivity
• Fatigue
• Tremor
• Ataxia
• Anorexia
• Nausea
• Vomiting
• Abnormal hepatic function tests
• Malaise
• Hyperthyroidism
• Hypothyroidism
• Abnormal sexual function
• Libido changes
• Photophobia
• Visual halos

Tell your doctor right away if you have any serious side effects, including

• Easy bruising/bleeding
• Loss of coordination
• Tingling/numbness of the hands or feet
• Uncontrolled movements
• New or worsening symptoms of heart failure

Get medical help right away if you have any very serious side effects, including

• Faster/slower/more irregular heartbeat
• Severe dizziness
• Fainting

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including

• Rash
• Itching/swelling
• Severe dizziness
• Trouble breathing

Other things to note

• Nausea, vomiting, constipation, loss of appetite, shaking, or tiredness may occur. If any of these effects persist or worsen, tell your doctor promptly.
• Amiodarone may rarely cause thyroid problems. Either low thyroid function or overactive thyroid function may occur. Tell your doctor right away 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 .
• This drug may cause your skin to be more sensitive to the sun. With long-term treatment, you may rarely develop blue-gray color of the skin. This effect is not harmful and color may return to normal after the drug is stopped. To help prevent skin effects, limit your time in the sun. Avoid tanning booths and sunlamps. Use sunscreen and wear protective clothing when outdoors. Tell your doctor right away if you get sunburned or have skin blisters/redness.
• This drug may rarely cause vision changes. Very rarely, cases of permanent blindness have been reported. Tell your doctor right away if you develop any vision changes .

• Before use, important to read the Medication Guide
• Do not take while breast feeding or when pregnant
• Get emergency help if breathing trouble occurs
• Call MD if new abdominal pain/yellowing eyes/skin
• Review all drugs you are taking with your doctor
• Avoid taking grapefruit juice/grapefruit with med
• May make you dizzy. Use caution when driving.
• Tell doctor if fainting or faintness occurs.

This medication is used to treat certain types of serious (possibly fatal) irregular heartbeat (such as recurrent ventricular fibrillation/tachycardia). It is used to restore normal heart rhythm and maintain a regular, steady heartbeat.

Status: Discontinued

May Treat: Life-threatening ventricular tachycardia · Recurrent atrial fibrillation · Ventricular fibrillation · Ventricular fibrillation

Alternate Brand Names: Pacerone

Drug Class: Antiarrhythmic - Class III

Availability: Prescription Required

Pregnancy: Consult your doctor. This medication may be harmful to an unborn child.

Lactation: This drug should not be given to breastfeeding mothers

Alcohol: Limit intake while taking this medication

Driving: May cause drowsiness or dizziness. Use caution