Otolaryngology is the medical specialty that focuses on the diagnosis and treatment of disorders and conditions related to the ear, nose, and throat (ENT). This can include conditions such as sinusitis, hearing loss, voice disorders, and head and neck cancers, among others. Otolaryngologists, also known as ENT doctors, are trained to handle a wide range of issues related to the head and neck region, and they may utilize medical, surgical, or other treatments to address these concerns.