Laryngitis is an inflammation of the mucous membranes
of the larynx. Signs of laryngitis include hoarseness and loss of voice. The
most common causes are excessive meowing and a chronic cough. Both cause vocal
Laryngitis can be associated with tonsillitis, throat infections,
tracheobronchitis, pneumonia, inhalant allergies, and (rarely) tumors in the throat. The lining of the larynx is not
coated with cilia. Therefore, mucus frequently accumulates in the larynx.
Exaggerated throat clearing is needed to dislodge it. This further irritates
the larynx and lowers resistance to infection.
can get a variety of intestinal parasites, including some that are commonly
referred to as “worms.” Infestations of intestinal worms can cause a variety of
symptoms. Sometimes cats demonstrate few to no outward signs of infection, and
the infestation can go undetected despite being a potentially serious health
problem. Some feline parasitic worms are hazards for humane health as well.
Treatment: Laryngitis due to excessive meowing usually responds to removing
the cause of the cat’s anxiety or distress. If the problem is due to
prolonged coughing, seek veterinary
attention to investigate and eliminate the cause of the chronic cough.
WebMD Veterinary Reference from "Cat Owner's Home Veterinary Handbook"