Diagnosis
Prevention
Due to the shape of the stomach and position of the esophagus, sleep-related laryngospasms may be prevented by sleeping on the left side, which can help in keeping stomach acid from entering the esophagus and reaching the vocal cords.When laryngospasm is coincident with a cold or flu, it may be helpful for some with the condition to take acid reflux medication to limit the irritants in the area. If a cough is present, then treat a wet cough; but limit coughing whenever possible, as it is only likely to trigger a spasm. Drink water or tea to keep the area from drying up. Saline drops also help to keep the area moist. Pseudoephederine may also help to clear any mucus that may cause coughing and thereby triggering more spasms. Treatment
Minor laryngospasm will generally resolve spontaneously in the majority of cases.Laryngospasm in the operating room is treated by hyperextending the patients neck and administering assisted ventilation with 100% oxygen. In more severe cases it may require the administration of an intravenous muscle relaxant, such as Succinylcholine, and reintubation.When gastroesophageal reflux disease (GERD) is the trigger, treatment of GERD can help manage laryngospasm. Proton pump inhibitors such as Dexlansoprazole (Dexilant), Esomeprazole (Nexium), and Lansoprazole (Prevacid) reduce the production of stomach acids, making reflux fluids less irritant.
Prokinetic agents reduce the amount of acid available by stimulating movement in the digestive tract.Patients who are prone to laryngospasm during illness can take measures to prevent irritation such as antacids to avoid acid reflux.For acute context, making an upright position of the upper part of the body has been shown to shorten the spasm episodes. Fixation  of  the arms  on  stabilization  of  the  body  and  slowing  of  breathing is also recommended. See also
Laryngotracheal stenosis

References
External links

Larson, Philip C., "Laryngospam -The Best Treatment", Anesthesiology, 11 1998, Vol.89, 1293–1294