Sectral, known generically as acebutolol, is a medication classified under the group of drugs called beta-blockers. It works by affecting the heart and circulation (blood flow through arteries and veins). Sectral is primarily used to treat hypertension (high blood pressure) and to manage irregular heartbeats or arrhythmias. By blocking specific beta receptors in the heart, Sectral reduces heart rate, the workload on the heart, and the amount of blood the heart pumps out, which can help to lower blood pressure and improve heart function. This medication may also be used for other conditions as determined by a healthcare provider. Like all medications, Sectral can cause side effects and may not be suitable for everyone, so it's important to use it under the guidance of a healthcare professional.