9. Nerve Damage from Medical Disorders
Medical conditions that cause damage to nerves can damage the vocal nerves in addition to other nerves of the body. According to the Michael J. Fox Foundation, Parkinson’s disease can change the tone, strength, and volume of the voice. Amyotrophic lateral sclerosis (ALS) is a degenerative disease of the brain and spinal cord. Voice changes can occur with this disease as the nerves of the throat become affected. Damage directly to the nerves of the throat through injury or repeated trauma can also cause a loss of voice.
8. Precancerous Cells
Vocal cord cancer frequently begins as small, abnormal cells that grow out of control in the throat. Smoking can contribute to vocal cord cancer, although it is not always a factor. Early signs of precancerous cell growth include unexplained hoarseness. See your doctor for an examination if you experience hoarseness from unknown causes.
7. Respiratory Infection
A respiratory infection can cause a temporary loss of your voice due to irritation and inflammation in the lungs, throat, and sinuses. While recovering from a bacterial or viral respiratory infection, take measures to allow your body to heal. Drink plenty of fluids, allow your body time to rest, and keep the air in your home humidified. Avoid the temptation to place extra stress on your vocal cords by whispering and instead allow your voice the opportunity to rest and heal.