See also Warning section.
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.
- Allergy: Before taking sotalol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
- Medical Condition: 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).
- Medical history: Before using this medication, tell your doctor or pharmacist if you had: 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.
- QT prolongationg: 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.
- Diabetes: 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). 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.
Pregnancy Risk: Category B- 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.
Breastfeeding: 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.
- A product that may interact with this drug is: fingolimod.
- Many drugs besides sotalol may affect the heart rhythm (QT prolongation in the EKG), including amiodarone, disopyramide, dofetilide, pimozide, procainamide, quinidine, macrolide antibiotics (such as clarithromycin, erythromycin), among others.
This medication may interfere with certain medical/laboratory tests, possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.