Metoprolol is the generic form of the brand-name drug Lopressor, prescribed to treat high blood pressure and prevent angina (chest pain). Metoprolol is a type of medication called a beta blocker. It works by relaxing blood vessels and slowing heart rate, which improves blood flow and lowers blood pressure.
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A laryngologist is a doctor with a special interest in voice disorders and diseases of the larynx. Laryngology is a subspecialty of otolaryngology, which refers to the treatment of the ears, nose, and throat. Otolaryngologists and laryngologists are often referred to as ENT (ear, nose, and throat) doctors.isorders caused by vocal abuse, misuse, and overuse: Several disorders of the larynx can be caused by strain or injury to the vocal cords through excessive talking, throat clearing, coughing, smoking, screaming, singing, or speaking too loudly or too low.