Your larynx (also called your voice box) contains your vocal cords. It's located in your throat at the top of your windpipe (trachea).
Laryngitis that lasts less than 3 weeks is usually caused by:
Laryngitis that lasts longer than 3 weeks may be caused by irritation from:
Doctors listen to your voice when you speak. They can tell that you have laryngitis from your voice.
If you have laryngitis for 3 weeks or more, you may need a more detailed exam. Your doctor may look in your throat with a mirror or tube-like camera to check your larynx and be sure your symptoms aren't due to an abnormal growth.
Your doctor may ask you to:
Try not to whisper, shout, or use your voice too much because this can make your laryngitis worse.
If your laryngitis is caused by another disease, such as gastroesophageal reflux, bulimia, or a growth on your larynx, your doctor will treat that disease.