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|Betapace AF

Betapace AF

Betapace AF is used for:

Maintaining a normal heartbeat rhythm in patients who have a history of atrial fibrillation or atrial flutter (a type of abnormal heartbeat rhythm).

Betapace AF is a beta-blocker. It works by helping the heart beat regularly for a longer period of time.

Do NOT use Betapace AF if:

• you are allergic to any ingredient in Betapace AF
• you have certain heart problems (eg, severe low heart rate, uncontrolled heart failure, certain types of abnormal heartbeat rhythm), low blood potassium or magnesium levels, severe kidney problems, or a history of asthma
• you are taking cisapride, astemizole, terfenadine, mibefradil, dofetilide, or a theophylline (eg, aminophylline)

Contact your doctor or health care provider right away if any of these apply to you.

Before using Betapace AF :

Some medical conditions may interact with Betapace AF . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have breathing or lung problems (eg, chronic obstructive pulmonary disorder [COPD], asthma), a decreased appetite, an overactive thyroid, kidney problems, bronchitis, diabetes, blood flow problems, a tumor on your adrenal gland, or other heart problems
• if you are scheduled for surgery

Some MEDICINES MAY INTERACT with Betapace AF . Tell your health care provider if you are taking any other medicines, especially any of the following:

• Indomethacin or phenylpropanolamine because they may decrease Betapace AF "s effectiveness
• Clonidine, diltiazem, mibefradil, nifedipine, or verapamil because the risk of side effects, such as low blood pressure or heart problems, may be increased
• Amiodarone, antiarrhythmics (eg, quinidine, propafenone), arsenic, cisapride, dofetilide, droperidol, H₁ antagonists (eg, astemizole, terfenadine), ketanserin, macrolides and ketolides (eg, erythromycin, azithromycin), mefloquine, phosphodiesterase type 5 inhibitors (eg, sildenafil), phenothiazines (eg, thioridazine), quinolones (eg, ciprofloxacin), or ziprasidone because the risk of abnormal heart rhythms may be increased
• Bupivacaine, cocaine, epinephrine, insulin, lidocaine, meglitinide antidiabetics (eg, nateglinide), nifedipine, or quinazolines (eg, prazosin) because the risk of their side effects may be increased by Betapace AF
• Certain stimulants (eg, albuterol, pseudoephedrine), phenformin, or theophyllines (eg, aminophylline) because their effectiveness may be decreased by Betapace AF

This may not be a complete list of all interactions that may occur. Ask your health care provider if Betapace AF may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Betapace AF :

Use Betapace AF as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Take Betapace AF by mouth with or without food. Try to take it the same way (either with food or without food) each time you take your dose. Check with your doctor or pharmacist if you have questions about taking Betapace AF with food.
• Do not take an antacid that has aluminum or magnesium in it within 2 hours before or after you take Betapace AF .
• Taking Betapace AF at the same time each day will help you remember to take it.
• Continue to use Betapace AF even if you feel well. Do not miss any doses.
• If you miss a dose of Betapace AF , skip the missed dose. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Betapace AF .

Important safety information:

• Betapace AF may cause drowsiness, dizziness, or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Betapace AF with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Betapace AF may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
• Tell your doctor or dentist that you take Betapace AF before you receive any medical or dental care, emergency care, or surgery.
• Do not suddenly stop taking Betapace AF . Sharp chest pain, irregular heartbeat, and sometimes heart attack may occur if you suddenly stop Betapace AF . The risk may be greater if you have certain types of heart disease. Heart disease is common and you may not know you have it. Your doctor should slowly lower your dose over several weeks if you need to stop taking it. Limit physical activity while you are lowering your dose. If new or worsened chest pain or other heart problems occur, contact your doctor right away. You may need to start taking Betapace AF again.
• Lab tests, including kidney function, heart function, and blood pressure monitoring, may be performed while you use Betapace AF . These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
• PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Betapace AF while you are pregnant. Betapace AF is found in breast milk. Do not breast-feed while taking Betapace AF .

Possible side effects of Betapace AF :

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Dizziness; drowsiness; headache; lightheadedness; tiredness; trouble sleeping.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abnormally fast, slow, or irregular heartbeat; changes in vision; decreased appetite; excessive thirst; numbness of an arm or leg; severe or persistent nausea, vomiting, or diarrhea; severe stomach pain; sharp or crushing chest pain; sudden leg pain; sudden severe headache, vomiting, dizziness, or fainting; sudden shortness of breath; unusual sweating.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include difficulty breathing; dizziness; fainting; fatigue; severe weakness; slow heartbeat.

Store Betapace AF at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Betapace AF out of the reach of children and away from pets.

General information:

• If you have any questions about Betapace AF , please talk with your doctor, pharmacist, or other health care provider.
• Betapace AF is to be used only by the patient for whom it is prescribed. Do not share it with other people.
• If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Betapace AF . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.