Why is My Old Dog Coughing and Gagging?

As dogs grow older, their health needs and behaviors can change in ways that sometimes cause concern. One issue that often worries pet owners is when their dog starts coughing and gagging, seemingly without warning. If you have noticed your dog coughing and gagging more frequently, you are not alone. This behavior can stem from several causes, and understanding them can help you take the right next steps. Read on to learn more about why an older dog might be coughing and gagging and how Dundee Veterinary Clinic in Dundee, Michigan, can help. If you are concerned about your dog’s coughing and gagging, call us today at 734-529-2429 to schedule an appointment.

 

 

Potential Causes of Dog Coughing and Gagging in Senior Dogs

Several different conditions could explain why an older dog is coughing and gagging. Some are mild, while others can indicate a more serious underlying issue. It is important to recognize that coughing and gagging are symptoms rather than standalone conditions. Each symptom can point to a range of health concerns that should be evaluated by your veterinarian.

Chronic Bronchitis

Chronic bronchitis is a long-term condition involving inflammation of the airways, which leads to a persistent, dry cough. The cough can worsen with exercise or excitement and may sometimes trigger gagging. While chronic bronchitis cannot be cured, it can often be managed with veterinary care, allowing your dog to stay comfortable and enjoy their golden years.

Heart Disease

When the heart is not pumping efficiently, fluid can build up in the lungs, leading to coughing fits. Dogs with heart disease might also show signs of fatigue, labored breathing, or a bluish tint to their gums. Early intervention and regular monitoring by your veterinarian can make a difference in managing heart-related symptoms.

Collapsing Trachea

Small-breed and senior dogs are at higher risk for developing a collapsing trachea. This condition occurs when the cartilage rings supporting the windpipe weaken, causing the airway to narrow and collapse, especially during breathing or excitement. The result is often a honking cough that can be accompanied by gagging. Dogs with a collapsing trachea may need lifestyle adjustments to reduce pressure on their airways.

Respiratory Infections

Senior dogs may have a harder time fighting off infections compared to when they were younger. Respiratory infections, including kennel cough or pneumonia, can lead to persistent coughing and gagging. Dogs with respiratory infections may also display nasal discharge, lethargy, and loss of appetite. If your dog has been exposed to other dogs recently or seems sick, a respiratory infection could be the cause.

Environmental and Lifestyle Factors That Can Trigger Coughing and Gagging

Not all cases of dog coughing and gagging are linked to underlying diseases. Environmental triggers and daily habits can also contribute to this behavior in older dogs.

Airborne Irritants

Older dogs often become more sensitive to environmental irritants. Exposure to cigarette smoke, household cleaners, dust, or even strong perfumes can cause coughing and gagging episodes. Using air purifiers, keeping windows open for ventilation, and avoiding smoking around your dog can help reduce their exposure to these triggers.

Allergies

Dogs can develop allergies at any age. Allergens such as pollen, mold, dust mites, and even certain foods can lead to coughing, gagging, sneezing, and itchy skin. Seasonal allergies, in particular, can cause flare-ups during certain times of the year. If you notice your dog’s symptoms coincide with changes in seasons, allergies could be a contributing factor.

Eating and Drinking Habits

Some senior dogs may cough or gag after eating or drinking. This can happen if they eat too quickly or if underlying dental or throat issues are present. Elevated feeding stations and slower eating techniques, such as using puzzle feeders, can sometimes ease this problem.

When to Call Your Veterinarian About Your Dog’s Coughing and Gagging

While an occasional cough may not seem concerning, repeated or severe coughing and gagging episodes should never be ignored. Your veterinarian can help determine the cause and recommend the best course of action for your dog’s health.

Signs That Need Prompt Veterinary Attention

If your dog is coughing and gagging as well as showing any of the following signs, contact Dundee Veterinary Clinic right away:

• Persistent coughing that lasts more than a few days
• Difficulty breathing or wheezing
• Loss of appetite
• Lethargy or weakness
• Blue or pale gums
• Coughing up blood or unusual material

Diagnostic Tests Your Veterinarian May Recommend

To identify the cause of your dog’s coughing and gagging, your veterinarian might recommend diagnostic tests such as:

• Chest X-rays to examine the lungs and heart
• Bloodwork to check for infections or organ function concerns
• Heartworm testing
• Echocardiogram (heart ultrasound)
• Airway sampling to detect infections or inflammation

These tests help your veterinarian form a clear diagnosis and create an appropriate treatment plan.

How Coughing and Gagging Are Managed in Older Dogs

Treatment for dog coughing and gagging depends entirely on the underlying cause. While some conditions can be fully treated, others may require long-term management to maintain your dog’s quality of life.

Medications and Therapies

Your veterinarian might prescribe medications such as cough suppressants, anti-inflammatories, heart medications, or antibiotics, depending on the diagnosis. Dogs with chronic bronchitis, for instance, often benefit from bronchodilators and anti-inflammatory medications. Dogs with heart disease may need diuretics to reduce fluid buildup.

Lifestyle Changes

Simple adjustments at home can also help reduce coughing and gagging episodes. These changes might include:

• Using a harness instead of a collar to reduce airway pressure
• Avoiding exposure to smoke and chemical irritants
• Keeping your dog at a healthy weight
• Managing excitement and exercise carefully

Each recommendation will be tailored to your dog’s individual needs.

Supporting Your Older Dog’s Health Through Regular Veterinary Care

Regular wellness exams are one of the best ways to stay ahead of any issues that could lead to coughing and gagging in your senior dog. Many conditions can be managed more effectively when caught early, helping your dog live more comfortably. During routine visits, your veterinarian can listen to your dog’s heart and lungs, assess their breathing, and recommend preventive measures if needed. If you live in or near Dundee, Michigan, our team at Dundee Veterinary Clinic is equipped to support you and your dog every step of the way. If you have noticed signs of coughing and gagging in your older dog, call us at 734-529-2429 to make an appointment today.