Irritable larynx is a condition of laryngeal dysfunction at which there is abnormal spasmodic closure of both vocal folds during inspiration. Patient complains of many symptoms as stridor, dysphonia, chocking, globus sensation, and dyspnea. These symptoms are not specific for irritable larynx only, but; they are frequently confused with other disorders such as gastroesophageal reflux, asthma, and different causes of chronic cough. The golden method for diagnosis is to visualize both vocal folds abducted during inspiration in acute attack by indirect laryngoscopy. To review recent available literature concerning irritable larynx syndrome to get essential recent data as a primary step for understanding this disorder.