How to Avoid Heat Rash. Keep the house and the baby cool. A cool, dry environment will keep prickly heat at bay, says Dr. Levine. So monitor the A/C or thermostat and consider running a fan in your baby's room to keep the air constantly circulating.
The second is injection laryngoplasty, which consists of of injecting the true vocal cord with gel-foam or with a variety of permanent substances. Teflon was used in the past but fell into disfavor because of tissue compatibility problems.
The condition is caused by damage to nerves going to the vocal cord - the nerve impulses in the larynx (voice box) are interrupted, resulting in paralysis of the vocal cord muscles. It can also be caused by brain damage.