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Causes of vocal fatigue

  • Writer: Valentina Carlile DO
    Valentina Carlile DO
  • 24 hours ago
  • 2 min read
Causes of vocal fatigue

The causes of vocal fatigue are those that lead to a loss of vocal quality, both in speaking and singing, and they can stem from various origins.

Did you know that the common cold is the most frequent cause of vocal fatigue?


Yes — because alterations in the balance of the mucosal lining of the airways affect the voice. When mucus builds up around the vocal cords, resonance shifts toward the larynx, and the vocal cords are forced to bear the strain of a resonance that isn’t naturally theirs. In such cases, it’s best to limit vocal use.


However, many other factors can contribute to vocal fatigue:

  • Incorrect vocal classification: Using a vocal range that doesn't match one’s physiology wastes structural potential and leads to fatigue.

  • Improper breathing mechanics: Overuse of upper chest breathing reduces the subglottic pressure (Psub) needed by the vocal system. As this pressure drops, the body compensates by collapsing the sternum and pushing the shoulders forward in search of more air, which actually tightens the airway instead.

  • Poor vocal technique: Every vocal technique should respect vocal physiology. Each person should understand their own voice and vocal mechanism to avoid using techniques that aren’t suited to them.

  • Irritants such as smoking and/or alcohol: These alter the tissue balance of the mucosa and affect vocal timbre, which depends on structural integrity.

  • Allergies: These also affect natural vocal function by impacting both the respiratory system and mucosal condition.

  • Premenstrual phase: Fluid retention during this time can increase vocal fold mass, leading to mild dysphonia and a reduction in upper vocal range.


If left untreated, vocal fatigue can become chronic, causing organic changes that turn the voice hoarse, breathy, tense, and weak.Early identification is essential for effective treatment.



Valentina Carlile - Osteopath specializing in Osteopathy for Voice and Speech Disorders since 2002. For information and bookings, visit the Contact page.




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