dronedarone (Oral route)Pronunciation
Dronedarone doubles the risk of death in patients with symptomatic heart failure and recent decompensation requiring hospitalization or NYHA Class IV heart failure. Use in these patients is contraindicated. In patients with permanent atrial fibrillation, dronedarone hydrochloride doubles the risk of death, stroke, and hospitalization for heart failure. Dronedarone hydrochloride is contraindicated in patients in atrial fibrillation (AF) who will not or cannot be cardioverted into normal sinus rhythm .
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Antiarrhythmic
Chemical Class: Benzofuran
Uses For dronedarone
Dronedarone is used to lower the chance of going to the hospital for serious heart rhythm problems in patients with a history of paroxysmal or persistent atrial fibrillation. Dronedarone belongs to the group of medicines known as antiarrhythmics. It works directly on the heart tissue and will slow the nerve impulses in the heart. This helps keep the heart rhythm normal.
dronedarone is available only with your doctor's prescription.
Before Using dronedarone
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For dronedarone, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to dronedarone or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of dronedarone in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of dronedarone in the elderly.
|All Trimesters||X||Studies in animals or pregnant women have demonstrated positive evidence of fetal abnormalities. This drug should not be used in women who are or may become pregnant because the risk clearly outweighs any possible benefit.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking dronedarone, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using dronedarone with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
- Arsenic Trioxide
- Perflutren Lipid Microsphere
- Sodium Phosphate
- Sodium Phosphate, Dibasic
- Sodium Phosphate, Monobasic
Using dronedarone with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Dabigatran Etexilate
- Doxorubicin Hydrochloride Liposome
- Eslicarbazepine Acetate
- Morphine Sulfate Liposome
- St John's Wort
- Vincristine Sulfate Liposome
Using dronedarone with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using dronedarone with any of the following is usually not recommended, but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use dronedarone, or give you special instructions about the use of food, alcohol, or tobacco.
- Grapefruit Juice
Other Medical Problems
The presence of other medical problems may affect the use of dronedarone. Make sure you tell your doctor if you have any other medical problems, especially:
- AV block (type of abnormal heart rhythm), with no pacemaker or
- Bradycardia (slow heartbeat) or
- Heart failure, recent or history of or
- Heart rhythm problems (e.g., prolonged QT or PR interval) or
- Liver disease, severe or
- Lung disease caused by amiodarone (Cordarone®) or
- Permanent atrial fibrillation (type of abnormal heart rhythm) or
- Sick sinus syndrome (type of abnormal heart rhythm), with no pacemaker—Should not be used in patients with these conditions.
- Hypokalemia (low potassium in the blood) or
- Hypomagnesemia (low magnesium in the blood) or
- Lung disease (e.g., interstitial lung disease)—Use with caution. May make these conditions worse.
Proper Use of dronedarone
Take dronedarone exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
dronedarone should come with a Medication Guide. It is very important that you read and understand this information. Be sure to ask your doctor about anything you do not understand.
dronedarone should be taken with food.
The dose of dronedarone will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of dronedarone. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
- For heart rhythm problems:
- Adults—400 milligrams (mg) two times per day, taken as one tablet in the morning and evening.
- Children—Use and dose must be determined by your doctor.
- For heart rhythm problems:
If you miss a dose of dronedarone, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions While Using dronedarone
It is very important that your doctor check your progress at regular visits to make sure that dronedarone is working properly. Blood and urine tests may be needed to check for unwanted effects.
Using dronedarone while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Do not use dronedarone if you are also using cyclosporine (Gengraf®, Neoral®, Sandimmune®), ritonavir (Norvir®), medicine for depression (such as amitriptyline, nefazodone, nortriptyline, Elavil®, Serzone®), medicine for heart rhythm problems (such as amiodarone, disopyramide, dofetilide, flecainide, propafenone, quinidine, sotalol, Cardioquin®, Cordarone®, Norpace®, Tikosyn®), medicine for infections (such as clarithromycin, erythromycin, itraconazole, ketoconazole, telithromycin, voriconazole, Ery-tab®, Nizoral®, Vfend®), or a phenothiazine medicine (such as chlorpromazine, prochlorperazine, promethazine, thioridazine, Compazine®, Mellaril®, Phenergan®, Thorazine®, Trilafon®). Using these medicines together may cause serious side effects.
Check with your doctor right away if you develop any of the following: chest pain, shortness of breath, swelling of your hands, ankles, or feet, or weight gain. These may be symptoms of heart failure.
dronedarone can cause changes in your heart rhythm, such as a condition called QT prolongation. It may cause fainting or serious side effects in some patients. Contact your doctor right away if you have any symptoms of heart rhythm problems, such as fast, pounding, or irregular heartbeats.
Check with your doctor right away if you have upper stomach pain, pale stools, dark urine, loss of appetite, nausea, unusual tiredness, or yellow eyes or skin. These could be symptoms of a serious liver problem.
Tell your doctor right away if you are having shortness of breath, chest tightness, or any type of breathing problem while being treated with dronedarone.
dronedarone may increase risk for heart attack, stroke, or other serious side effects. Talk to your doctor about whether you should continue to take dronedarone for paroxysmal or persistent atrial fibrillation.
Do not stop taking dronedarone without first checking with your doctor.
Grapefruits and grapefruit juice may increase the side effects from dronedarone by increasing the amount of dronedarone in your body. You should not eat grapefruit or drink grapefruit juice while you are using dronedarone.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal (e.g., St. John's wort) or vitamin supplements.
dronedarone Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:Less common
- Chest pain or discomfort
- lightheadedness, dizziness, or fainting
- shortness of breath
- slow or irregular heartbeat
- unusual tiredness
- Abdominal or stomach pain, severe
- dark urine
- general feeling of discomfort or illness
- loss of appetite
- nausea or vomiting
- thickening of bronchial secretions
- unusual tiredness or weakness
- yellow eyes or skin
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- lack or loss of strength
- Acid or sour stomach
- blistering, crusting, irritation, itching, or reddening of the skin
- cracked, dry, or scaly skin
- itching skin
- redness or discoloration of the skin
- skin rash, encrusted, scaly, and oozing
- skin rash, hives, itching, or redness
- stomach discomfort, upset, or pain
- Change in taste
- increased sensitivity of the skin to sunlight
- loss of taste
- severe sunburn
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
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