 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  to treat certain fast/irregular heartbeats (atrial fibrillation/flutter) in patients with severe symptoms such as weakness and shortness of breath. Sotalol helps to lessen these symptoms. It slows the heart rate and helps the heart to beat more normally and regularly. This medication is both a beta blocker and an anti-arrhythmic. How to use Sotalol See also Warning section. Read the Patient Information Leaflet if available from your pharmacist before you start using sotalol and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth as directed by your doctor, usually 1 to 3 to times a day. You may take it with or without food, but it is important to choose one way and take it the same way with each dose. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. Dosage is based on your medical condition and response to treatment. In children, dosage is also based on age and body size. Use this medication regularly to get the most benefit from it. To help you remember, take </s>