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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Cat Veterinary
Satisfied Customers: 23788
Experience:  University of California at Davis graduate veterinarian with 44 years of experience.
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Stuffy nose, choking noises with some exudate, sounds like

Customer Question

stuffy nose, choking noises with some exudate, sounds like post nasal drip; 15 year old spayed female, sedentary, eats well, drinks excessive water, occasional constipation
Submitted: 5 months ago.
Category: Cat Veterinary
Expert:  Dr. Michael Salkin replied 5 months ago.
There's rarely just one thing going on in a 15 year old and so we often have to choose the most serious problem and address that first. I'm primarily concerned with her polydipsia (increased thirst). Polydipsia and urinating a higher volume of urine (polyuria) are danger signs for quite a few disorders. These include both hepatic and renal insufficiencies, urinary tract infection involving the kidneys, diabetes mellitus and Cushing's disease (both will also cause increased hunger (polyphagia), pyometra (infected uterus if she's unspayed), hypercalcemia (increased serum calcium level), electrolyte (sodium, potassium, chloride) imbalances, and the rarer Addison's disease, diabetes insipidus, and brain tumor involving the hypothalamus. Her vet will need to perform a thorough physical exam including diagnostics in the form of blood and urine tests in order to clarify what those symptoms are signifying.Her stuffy nose, "choking noises" with nasal discharge at her age often indicates chronic rhinosinusitis in cats particularly if these symptoms have existed for more than a month. There are simple respiratory infections - usually due to the feline herpesvirus (FHV-1) - that need to be considered as well but these are usually self-limiting within 1-3 weeks. Chronic rhinosinusitis is a diagnosis of exclusion when other etiologies have been ruled out (fungal infection by culture, malignancy by biopsy, bacterial or viral infections by a pure culture or PCR of common respiratory pathogens). This syndrome is actually a constellation of diagnoses made by biopsy, culture, and PCR (DNA-based) testing. The three broad groups we see are lymphocytic-plasmacytic-, eosinophilic-, and idiopathic (unknown cause/the most common) rhinosinusitis. This syndrome is one of the most significant causes of sneezing and nasal discharge in the cat. The nasal discharge is generally serous (clear serum-like), but secondary bacterial infections can result in the development of mucopurulent (mucus + pus) discharge and inflammation can be severe enough to cause intermittent hemorrhage. The clinical signs can persist for years.It's postulated that an early severe viral infection may trigger chronic disease. In addition, it's estimated that approximately 80% of cats are latently infected with FHV-1 (herpesvirus), and so another possible scenario for chronic infection is that she is exhibiting the symptoms of persistent herpesvirus infection. If FHV-1 can be confirmed by PCR testing, the antiviral drug famciclovir might be helpful.In general, these cases are somewhat refractory to treatment and palliation of clinical signs rather than cure is the goal of medical management. Broad-spectrum antibiotics are often prescribed to manage secondary infections. Administration of antihistamines such as chlorpheniramine at 1-2mg/cat orally every 12-24 hours may lessen clinical signs of disease in some cats. Moistening therapies such as nebulization and saline nasal drops can help loosen secretions and soothe mucosa, particularly in dryer climates. The anti-inflammatory glucocorticoids such as prednisolone may be helpful as well. Prednisolone may be used at a maximum dose of 1-2mg/kg orally every 12 hours. If a positive response is noted, the lowest dose and the longest dosing interval that is effective should be determined by adjusting the dose over time. Inhaled glucocorticoids can be used as an alternative to decrease the systemic side effects of oral glucocorticoid use and have the benefit of directly affecting the nasal mucosa. Beclomethasone or fluticasone can be administered by metered dose inhaler (MDI) with an inhalation chamber at 1-2 puffs once to twice daily.This syndrome is the bane of too many cats and their vets but hopefully the above approaches will be at least palliative if not curative. Please respond with further questions or concerns if you wish.
Customer: replied 5 months ago.
Thank you. She has been named "cat from hell" at one vet but has mellowed some.. She is sweet at home. I will try to get her to the office. Then try to medicate her
Expert:  Dr. Michael Salkin replied 5 months ago.
Oh my. She sounds like fun...I can't set a follow-up in this venue so please return to our conversation - even after rating - with an update at your convenience.
Expert:  Dr. Michael Salkin replied 5 months ago.

I'm just following up on our conversation about your pet. How is everything going?

Dr. Michael Salkin