does laryngitis usually accompany flu
Acute laryngitis is most commonly caused by a viral infection, such as a cold or flu. Another type of acute laryngitis is mechanical laryngitis. This can be caused by: 1  Overusing or misusing your voice.2  Excessive, singing, speaking or shouting. 3  Persistent coughing and throat clearing.4  A throat injury.aryngitis is an inflammation of the voice box, or larynx-the tube-like structure at the entrance of your windpipe (trachea). The Adam's apple represents where the larynx sticks out at the front of the throat. The larynx contains two membranes-vocal cords-which vibrate as air passes between them.