Laryngitis is inflammation of the larynx, caused by an infection or excessive use of the voice.
A doctor or family doctor is responsible for diagnosing and prescribing medical treatments to patients. The family doctor refers to patients where a specialist when a specific treatment is required.
An otorhinolaryngologist is a doctor who specializes in the management and treatment of diseases of the ear, nose, throat and related structures of the head and neck.
Remember that for the proper selection of health professional that treats laryngitis you must consider the nature, severity and symptoms you are presenting.