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Signs of laryngeal paralysis include voice change (the dog's bark becomes hoarse-sounding), gagging or coughing (often during or after eating or drinking), exercise intolerance, inspiratory stridor (noisy breathing on inspiration), difficulty breathing, and in severe cases cyanosis or syncope (fainting).
A number of other causes for losing one's voice exist, and treatment is generally by resting the voice and treating the underlying cause. [2] If the cause is misuse or overuse of the voice, drinking plenty of water may alleviate the problems. [2] It appears to occur more commonly in females and the elderly. [4]
The cause is not known, although a genetic predisposition is suspected. The length of the nerve is a factor since it is more common in larger horses, and the left side is affected almost exclusively. As the nerve cells die, there is a progressive paralysis of the larynx, causing the airway to collapse.
“GERD can irritate the vocal cords, which can cause hoarseness, especially earlier in the day,” Dr. Alexa Mieses Malchuk, a family physician based in Cary, N.C., tells Yahoo Life. “A person ...
[4] [5] Though voice qualities may appear normal in some cases of vocal fold paresis or paralysis, [3] mild differences in tension between the two vocal folds of the larynx can result in changes of voice pitch, intensity and reduced vocal stamina. [6] [5] Patients with either vocal fold paresis or paralysis may exhibit a breathy voice quality.
Vocal rest or voice rest is the process of resting the vocal folds by not speaking and singing typically following viral infections that cause hoarseness in the voice, such as the common cold or influenza or more serious vocal disorders such as chorditis or laryngitis. [1]
"Studies have shown that dogs are sensitive to both the pitch and timbre of the human voice and respond more favorably to PDS than standard adult speech patterns," Dr. Buzby says.
Different subtypes of vocal cord dysfunction are characterized by additional symptoms. For instance, momentary aphonia can be caused by laryngospasm, an involuntary spasm of the vocal cords [5] and a strained or hoarse voice may be perceived when the vocal cord dysfunction occurs during speech. [5]