Buoy is an AI-based symptom checker designed to help users identify potential causes of their health symptoms. Accessible from any browser worldwide, it asks users a series of questions to better understand their health concerns. Buoy's functionality extends to a variety of symptoms, ranging from the common cold and flu to skin rashes and musculoskeletal injuries. Developed by a team of doctors, it uses advanced AI algorithms and thousands of research data points to provide individualized information about potential causes and treatments for a users illness or health problems. Furthermore, it suggests next steps for seeking care, effectively guiding users to appropriate healthcare services. The tool is also designed to alleviate the uncertainty patients might feel about their condition or the level of care required. It is useful for self-care management of health symptoms for adults, children, and pregnant individuals. Buoy's Symptom Checker aims to democratize the understanding of one's own body and health, providing an essential service to the modern patient. However, it's important to note that while it is a helpful tool, it is not a substitute for professional medical advice, diagnosis, or treatment.