Laryngitis is a hoarse voice usually caused by a cold in the upper respiratory tract. Treatment of laryngitis mainly involves using pain relievers, anti-inflammatory drugs, drinking plenty of water and taking time to rest.

Laryngopharyngeal reflux (LPR) is a disease in which acid from gastric juice moves in the opposite direction of the physiology through the esophagus and causes damage to the pharynx-larynx area.

In patients with laryngitis, pronunciation disorders such as hoarseness, loss of voice, etc. are very common. This condition greatly affects the patient's health and daily life. Even many people who do specific jobs such as teachers, counselors, etc. have to quit their jobs because of pronunciation disorders caused by laryngitis.

Patients with vocal cord paralysis often have symptoms of hoarseness accompanied by other symptoms such as wheezing, weak cough, inability to speak loudly, etc. It is necessary to treat vocal cord paralysis early to improve the patient's ability to speak.