what causes laryngitis
Laryngitis can be caused by: 1  Colds or the flu. 2  This is the most common cause. 3  Acid reflux, also known as gastroesophageal reflux disease (GERD) . 4  Overuse of your voice, such as cheering at a sports event. 5  Irritation, such as from allergies or smoke.6  Use of inhaled steroid medicines (such as those used to treat asthma).aryngitis can be caused by: 1  Colds or the flu. 2  Acid reflux, also known as gastroesophageal reflux disease (GERD) . 3  Overuse of your voice, such as cheering at a sports event. 4  Irritation, such as from allergies or smoke. 5  Use of inhaled steroid medicines (such as those used to treat asthma). 6  Problems with the way you talk or sing.