A medical certificate is an official document issued by a qualified healthcare professional, such as a doctor or nurse. It confirms a person's health status, often stating whether they are fit to work, attend school, or participate in specific activities. Medical certificates are commonly required for sick leave, insurance claims, or legal purposes. These certificates typically include the patient's name, the date of examination, the healthcare provider's details, and a brief description of the medical condition. They serve as important records that help ensure proper care and compliance with health regulations in various settings, including workplaces and educational institutions.