Dog Coughing or Wheezing

The causes and treatments of a dog’s cough.


Infectious diseases: Infectious Tracheobronchitis (Kennel Cough), pneumonia due to distemper, parainfluenza, adenovirus-1 or adenovirus-2 infection with secondary bacterial infection, coccidioidomycosis (fungal infection), or chronic bronchitis.

Parasites/Parasite-borne diseases: Roundworms, Rocky Mountain spotted fever, ehrlichiosis, tick paralysis, or heartworms.

Irritation/Inflammation: Smoke inhalation, exposure to chemical fumes or noxious vapors (tracheitis), or aspiration of food.

Foreign bodies: In trachea or bronchi.

Allergies: Allergic pneumonitis (inflammation of the lungs) due to heartworms or infections (fungal or bacterial).

Tumors: In the larynx, trachea, and lungs.

Congenital abnormality: Tracheal collapse, laryngeal deformity, laryngeal paralysis, or megaesophagus (enlargement of the lower part of the esophagus, a condition that frequently leads to aspiration pneumonia).

Toxicity: Lead, causing megaesophagus.

Non-infectious/Acquired disease: Heart disease, myasthenia gravis, or polymyositis.

Miscellaneous disorders: Dysautonomia (abnormal function of the autonomic nervous system), which can cause megaesophagus.

Endocrine disorders: Hypoadrenocorticism (Addison’s disease).

Autoimmune disease: Systemic lupus erythematosis, which can cause megaesophagus.

What to do: Coughing without other signs of illness is not usually an emergency. Call your veterinarian during regular office hours to make an appointment for diagnosis and treatment. Coughing that is accompanied by signs of illness may or may not be an emergency, depending on the duration, severity, and the other signs. Contact your veterinarian or emergency clinic immediately for specific advice about your dog’s situation.

Disclaimer:’s Dog Medical Conditions are intended for educational purposes only. They are not meant to replace the expertise and experience of a professional veterinarian. Do not use the information presented here to make decisions about your dog’s ailment. If you notice changes in your dog’s health or behavior, please take your pet to the nearest veterinarian or an emergency pet clinic as soon as possible.

Have a health question about your dog? Ask our 
vet expert or ask other dog owners on our forums.


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liza   England, International

10/17/2014 7:42:58 PM

My dog coughing type wheezing trying to regurgitate bringing up spit still clear what do I do

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robyn   sydney, International

1/21/2014 3:22:10 AM

My 7 week old American staffy is wheezing He spent yesterday at the vet on antibiotics/ ventilator cause his neck was swollen and the wheezing really bad. Vet thought might be tick so we got antibiotics to give him. He's still wheezing and I noticed a small lump marble size on his next. What could it be, no other symptoms that I can see. I'm super worried

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jerrel   Dinuba, California

12/12/2013 5:42:24 PM

we just got a dog from a kinnel, oaks visalia, ca.~~ it was sick, ~~~,they are all sick~~kennel cought~~& hunger~~WHY??

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Keshan   Panadura, Armed Forces Americas

4/16/2013 11:57:04 AM


I have a corker spaniel who has high wheezing. Please help me to find the proper



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