Why Is My Shiba Inu Coughing? Causes, Treatment, and When to Worry
A coughing Shiba Inu most commonly has kennel cough, heart disease, heartworm, collapsing trachea, or chronic bronchitis. A new cough lasting more than 2-3 days, or any cough with labored breathing, blue gums, fainting, or low energy, requires a same-day veterinary visit.

A coughing Shiba Inu is most often dealing with kennel cough, heart disease, heartworm infection, a collapsing trachea, or chronic bronchitis. The exact cause matters because treatment ranges from rest and a cough suppressant to emergency cardiac care. Because Shibas live 13-16 years, age plays a big role: younger dogs usually have infectious or foreign-body coughs, while older Shibas are more prone to heart valve disease and chronic airway disease. Any cough that lasts more than a few days, or comes with trouble breathing, blue or pale gums, fainting, or sudden tiredness, is a same-day vet situation.
Common Causes of Coughing in Shiba Inus
1. Kennel Cough (Infectious Tracheobronchitis) The most common reason for a sudden, honking cough in an otherwise bright Shiba. Caused by Bordetella, parainfluenza, or canine coronavirus. Spreads in dog parks, boarding, grooming salons, and shelters. The cough sounds dry and forceful, often ending in a retch. Vaccination (Bordetella) reduces severity but does not prevent all strains.
2. Heart Disease (Mitral Valve Degeneration) The most common cardiac cause of coughing in adult and senior Shibas. A weakening mitral valve lets fluid back up into the lungs (pulmonary edema), pressing on airways. Cough is usually soft, worse at night or after lying down, and often paired with reduced stamina. Annual vet checks from age 7 onward help catch it early.
3. Heartworm Disease Transmitted by mosquitoes. Adult worms live in the heart and pulmonary arteries, causing inflammation and cough. Prevention (monthly oral or injectable) is far safer, cheaper, and easier than treatment. Shibas in warmer or mosquito-heavy regions should stay on prevention year-round.
4. Collapsing Trachea A weakening of the cartilage rings in the windpipe. More typical in small breeds, but Shibas can be affected. Cough sounds like a goose honk, worsens with excitement, pulling on a collar, or hot weather. Switching to a front-clip harness often dramatically reduces episodes.
5. Chronic Bronchitis Long-term airway inflammation. Common in middle-aged and senior dogs. Causes a dry, hacking cough that lingers for months. Often manageable with bronchodilators, anti-inflammatories, and weight control.
6. Less Common Causes
- Pneumonia (especially in puppies or seniors)
- Allergic or atopic airway irritation (Shibas are prone to atopy)
- Foreign body (grass awn, seed) lodged in the airway
- Heartworm-associated respiratory disease
- Kennel cough complicated by pneumonia
Signs That Mean "Go to the Vet Today"
Book a same-day appointment if your Shiba shows any of these:
- Labored, fast, or open-mouth breathing at rest
- Blue, purple, or very pale gums
- Fainting or collapse after coughing
- Cough producing blood or pink foam
- Sudden drop in energy or appetite
- Puppy under 6 months coughing
- Senior Shiba (10+) with a new cough
How Vets Diagnose the Cause
A vet will typically combine several of these:
- Full physical exam with heart and lung auscultation
- Chest X-rays (the single most useful test)
- Heartworm antigen test
- Bloodwork (CBC, chemistry, heart proBNP)
- Tracheal wash or bronchoscopy for chronic cases
- ECG or echocardiogram if heart disease is suspected
Treatment at a Glance
- Kennel cough: rest, humidifier, honey, and cough suppressants; antibiotics if fever or pneumonia
- Heart disease: ACE inhibitors, pimobendan, diuretics, and sodium-restricted diet
- Heartworm: strict exercise restriction plus multi-dose adulticide protocol (no quick kill)
- Collapsing trachea: weight control, harness instead of collar, cough suppressants, bronchodilators
- Chronic bronchitis: inhaled steroids, bronchodilators, environmental management
Prevention Tips for Shiba Owners
- Keep vaccinations current, including Bordetella for social dogs
- Give year-round heartworm prevention
- Use a front-clip harness to protect the trachea
- Maintain a lean body weight (Shibas should be athletic, not stocky)
- Avoid smoke, heavy perfumes, and dusty environments
- Schedule yearly vet exams, twice yearly after age 8
A cough is never something to ignore in a breed that can live into its mid-teens, but most causes are very manageable when caught early.
Related Reading
- Shiba Inu Health Issues: Complete Guide
- Heartworm Prevention for Dogs
- Choosing a Harness for Your Shiba Inu
- Vaccinations Schedule for Adult Shibas
FAQ
When is a Shiba Inu cough an emergency?
Go to the vet the same day if your Shiba has trouble breathing, blue or pale gums, faints after coughing, coughs up blood or pink foam, or is a puppy or senior with a new cough.
Can a harness help stop my Shiba's coughing?
Yes, if the cough is from tracheal pressure or collapsing trachea. Switching from a collar to a front-clip harness removes pressure from the windpipe and often reduces coughing within days.
Do Shiba Inus get kennel cough easily?
Shibas are not more prone than other breeds, but their social nature at dog parks and their escape-artist tendency to meet neighbor dogs increase exposure. Bordetella vaccination is strongly recommended for social Shibas.
Is heartworm common in Shiba Inus?
Heartworm risk depends on region and mosquito exposure, not breed. Anywhere mosquitoes live, Shibas are at risk, so year-round prevention is the standard recommendation.
⚕️ This article is researched from the AKC and NIPPO breed standards, OFA/CHIC health data and veterinary sources. It is for general information only and is not a substitute for advice from your own veterinarian.