Common services include hearing and ear evaluations, treatment of sinus and nasal conditions, allergy management, voice and swallowing assessments, sleep apnea and snoring evaluation, tonsil and adenoid care, ear tube placement, endoscopic procedures, biopsies, and other head-and-neck surgeries. ENT clinics provide evaluation, diagnosis, treatment, and surgical care for conditions affecting the ears, nose, sinuses, throat, voice, swallowing, hearing, balance, and head and neck.