The painless hoarseness of the throat is related to the stimulation of the vocal cords, which can be caused by chronic laryngitis, vocal cord nodules, vocal cord polyps and other causes.
1. Chronic laryngitis: When shouting, crying for a long time or stimulated by tobacco and alcohol, as well as dry air and other factors, can lead to laryngeal mucosal congestion and swelling or fatigue of the vocal cords, triggering the symptom of painless hoarseness. Laryngoscopy can be found through the larynx and vocal folds mucosal congestion, hypertrophy and other phenomena.
2. Vocal cord nodules: Inflammatory stimulation and prolonged improper use of the voice can also lead to abnormal proliferation of the vocal cord tissues, the formation of vocal cord nodules, which will affect the amplitude of the vibration of the vocal cord and lead to incomplete closure of the vocal folds, resulting in a painless, itchy and hoarse throat, which can be accompanied by difficulty in speaking and other manifestations. Laryngoscopic examination of the bilateral vocal folds symmetrical nodule-like protrusions.
3. Vocal cord polyps: due to long-term friction or inflammation of the mucosa of the vocal folds after the stimulation of edema-like new organisms, will produce hoarse voice, not accompanied by the phenomenon of pain, laryngoscopy to see the edges of the vocal folds polypoid new organisms bulge, the surface of the pale.
It is also possible that the hoarseness of the throat may be caused by other reasons, and it is necessary to consult an otorhinolaryngologist to clarify the cause of the disease and follow the doctor’s instructions for treatment.