Do Dog Allergies Get Worse as They Age?

Do Dog Allergies Get Worse as They Age?

Yes, dog allergies can worsen with age due to immune system changes, increased allergen exposure, and other factors.

Have you noticed your dog scratching more in his golden years? Or perhaps their seasonal allergies seem to be more intense than before?  As our canine companions age, their bodies undergo many changes – and their susceptibility to allergies is no exception. 

While some dogs might experience a decrease in allergies as they age, others might find that their sensitivities become more pronounced.  

In this article, we'll discuss the science behind why allergies can worsen with age, explore the potential causes, discuss common signs to watch for, and offer solutions to help your senior dog find relief and comfort. 


Table of Contents

The Science of Dogs Aging and Allergies

As dogs age, their immune systems, like many other bodily functions, undergo changes. While a young and robust immune system is designed to protect the body from harmful invaders, it can sometimes misidentify harmless substances like pollen or certain food proteins as threats. 

This is the root of allergies. In older dogs, the immune system may become less efficient at differentiating between harmful and harmless substances, leading to an increased likelihood of allergic reactions or a worsening of existing allergies. 

Additionally, the skin barrier, which plays a crucial role in protecting against allergens, can weaken with age, making dogs more susceptible to environmental irritants. Finally, chronic inflammation, a common issue in ageing bodies, can further exacerbate allergic responses.

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Potential Causes of Worsening Allergies in Senior Dogs

Several factors could be at play when it comes to the escalation of allergies in older dogs. First and foremost is the cumulative effect of allergen exposure over a dog's lifetime. Years of encountering pollen, dust mites, or certain foods can lead to a heightened sensitivity in their later years. Additionally, as mentioned earlier, the weakening of the skin barrier as dogs age allows allergens to penetrate more easily, triggering reactions. Chronic inflammation, a common issue in ageing bodies, can also amplify allergic responses, making them more intense and persistent.

It's important to note that there are different types of allergies that can affect dogs. Environmental allergies, often triggered by pollen, dust mites, or mould, are the most common. Food allergies can develop at any age, but may become more apparent as a dog gets older. Flea allergies, while common, can be managed with effective flea prevention. Understanding the specific type of allergy your dog is experiencing is crucial in finding the right solutions for their comfort.


Signs and Symptoms of Worsening Allergies in Senior Dogs

While many signs of allergies remain consistent throughout a dog's life, some may become more pronounced or appear differently in older dogs. Here's what to watch for:

  • Increased Itching and Scratching: This is a hallmark of allergies, but senior dogs may scratch more intensely or in different areas than they did when they were younger.
  • Skin Changes: Older dogs may develop thickened, darkened skin, or experience more frequent skin infections due to a weakened skin barrier.
  • Chronic Ear Infections: Recurring ear infections can be a sign of underlying allergies that have worsened with age.
  • Gastrointestinal Issues: If your senior dog's allergies are food-related, you might notice vomiting, diarrhoea, or changes in appetite.
  • Behavioural Changes: Some dogs become more irritable or lethargic due to the discomfort of allergies.

It's crucial to remember that these symptoms can also be indicative of other health issues. If you notice any changes in your senior dog's behaviour or health, it's always best to consult with your veterinarian for proper diagnosis and treatment.

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Managing and Treating Allergies in Older Dogs

While there's no cure for allergies, the good news is that there are many ways to manage and treat them in older dogs, ensuring they enjoy their golden years comfortably. The first and most crucial step is to work closely with your veterinarian to determine the exact cause of your dog's allergies. Diagnostic tests, such as skin or blood tests, can pinpoint specific allergens.

Once the culprit is identified, your veterinarian will tailor a treatment plan for your senior dog. This might involve:

  • Dietary Changes: If a food allergy is diagnosed, switching to a hypoallergenic or limited-ingredient diet can make a world of difference.
  • Medications: Antihistamines, corticosteroids, or other allergy medications can help alleviate symptoms like itching and inflammation.
  • Immunotherapy: Allergy shots or oral drops can gradually desensitise your dog to specific allergens over time.
  • Environmental Management: For environmental allergies, regular cleaning, air purifiers, and limiting outdoor exposure during high pollen seasons can help reduce allergen exposure.
  • Topical Treatments: Medicated shampoos, conditioners, and sprays can soothe irritated skin and reduce itching.
  • Flea Control: Consistent flea prevention is essential for dogs with flea allergies.

Remember, patience is key when managing allergies in older dogs. It may take some trial and error to find the right combination of treatments that works best for your furry friend. Regular checkups with your veterinarian are crucial to monitor your dog's progress and adjust their treatment plan as needed.  With proper care and attention, your senior dog can still enjoy a happy, itch-free life!

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