Prof. Dr. Sheikh Hasanur Rahman specializes in diagnosing and treating conditions and diseases of the ear, nose, throat, head, and neck. He is trained to handle both medical and surgical management of conditions such as hearing loss, vertigo, sinusitis, sleep apnea, voice and speech disorders, and head and neck tumors. He uses a variety of diagnostic tools, including endoscopy, to examine the head and neck and make recommendations for treatment. He also collaborates with other healthcare professionals, such as speech therapists and audiology specialists, to provide comprehensive care to his patients.