• Vocal abuse : Vocal abuse is a common cause of Vocal nodules. Speaking or singing at an uncomfortable pitch of voice or speaking for long hours can cause Vocal nodules. Yelling and violent coughing can also cause Vocal Nodules.

  

• Diseases : Certain diseases like GERD (Gastro Oesophageal Reflux Disease), hypothyroidism may also cause Vocal Nodules.
• Pollutants : Inhaling smoke and dust can cause Vocal nodules.