"What are beta blockers?
The class of drugs called beta blockers were given their name because this class of medications counteracts the stimulatory effects of epinephrine (adrenaline) on the so-called beta-adrenergic receptors found"...
Betapace Consumer (continued)
Tiredness, slow heartbeat, and dizziness may occur. Less common side effects include headache, diarrhea, and decreased sexual ability. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
To lower your risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
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: new or worsening symptoms of heart failure (such as swelling ankles/feet, severe tiredness, shortness of breath, unexplained/sudden weight gain).
Seek immediate medical attention if any of these unlikely but serious side effects occur: severe dizziness, fainting, sudden change in heartbeat (unusually faster/slower/more irregular), chest/jaw/left arm pain.
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.
Read the Betapace (sotalol) Side Effects Center for a complete guide to possible side effects
PRECAUTIONS: See also Warning section.
Before taking sotalol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain heart rhythm problems (such as a slow heartbeat, second- or third-degree atrioventricular block unless you have a heart pacemaker), severe heart failure, breathing problems (such as asthma, chronic bronchitis, emphysema).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, treated stable heart failure, very recent heart attack (within 2 weeks), other irregular heartbeat problems (such as sick sinus syndrome), overactive thyroid disease (hyperthyroidism), serious allergic reactions needing treatment with epinephrine.
Sotalol may cause a condition that affects the heart rhythm (QT prolongation in the EKG). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using sotalol, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions: certain heart problems (QT prolongation in the EKG, history of torsade de pointes), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills"), if you are unable to eat or drink fluids as you normally would, or if you have conditions such as severe/prolonged sweating, diarrhea, or vomiting. Talk to your doctor about using sotalol safely.
If you have diabetes, this product may prevent the fast/pounding heartbeat you would usually feel when your blood sugar level falls too low (hypoglycemia). Other symptoms of a low blood sugar level, such as dizziness and sweating, are unaffected by this drug. This product may also make it harder to control your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor immediately if you have symptoms of high blood sugar such as increased thirst/urination. Your diabetes medication or diet may need to be adjusted.
Before having surgery, tell your doctor or dentist that you are taking this medication.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Older adults may be more sensitive to the side effects of this drug, especially dizziness, tiredness, and QT prolongation (see above).
During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. Discuss the risks and benefits with your doctor.
This medication passes into breast milk and may have undesirable effects on a nursing infant. Discuss the risks and benefits with your doctor before breast-feeding.
Additional Betapace Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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