The most common symptoms of laryngospasm are fast heart rate, low blood pressure and hives.
The condition laryngospasm can be life threatening if not treated soon enough so if you think you have or are coming down with laryngospasm you should seek medical attention.
The condition laryngospasm is a sudden spasm of your vocal cords and laryngospasm is often a symptom of another underlying condition.
Also laryngospasm can occur as a result of stress and anxiety which can trigger the laryngospasm which are vocal spasms.
Either way the laryngospasm needs to be checked out and treated by a doctor as soon as you notice you have it.