causes of voice hoarseness
Hoarseness can be caused by a number of conditions. The most common cause of hoarseness is acute laryngitis (inflammation of the vocal cords) caused most often by an upper respiratory tract infection (usually viral), and less commonly from overuse or misuse of the voice (such as from yelling or singing). Other causes of hoarseness include:
1 Hoarseness due to acid reflux is usually worse in the morning. 2  Thyroid conditions â Thyroid conditions, especially untreated hypothyroidism (low thyroid), can cause hoarseness.  Smoking - Secondhand smoke exposure may also result in a hoarse voice.