Hoarseness can be caused by overuse of the voice, vocal cord lesions, acute pharyngitis, and tumor compression of the recurrent laryngeal nerve.
1. Excessive use of voice: Excessive voice and long vocal time can lead to excessive use of voice, congestion and swelling of the vocal cords, resulting in hoarseness.
2. Vocal cord lesions: Some vocal cord lesions, such as vocal cord inflammation, vocal cord nodules, vocal cord polyps, etc., can lead to hoarseness.
3. Acute pharyngolaryngitis: dryness and pain in the pharynx, hoarseness and difficulty in making voice can occur, usually with a more acute onset.
4. Tumor compression of the recurrent laryngeal nerve: the recurrent laryngeal nerve can innervate the movement of the vocal cords, if there is a lung tumor, mediastinal tumor in the chest, thyroid tumor and so on compression of the recurrent laryngeal nerve, it can lead to hoarseness.
There are many reasons for hoarseness, when hoarseness occurs, it is recommended to go to the hospital for consultation and timely treatment.