Why Is My Dog Shedding More Than Usual? Understanding Excessive Shedding in Dogs

Written by: Pacagen Team
Reviewed by: David Zhang, PhD
David is an immunologist, bioengineer, and a scientific advisor at Pacagen.
If you've recently thought, "My dog is shedding more than usual," you're definitely not alone. Many pet parents find themselves puzzled by their dog’s sudden or excessive shedding. Even though all dogs shed to a certain degree, a noticeable increase in fur around your home may signal underlying issues. In this blog, we’ll discuss the causes of excessive shedding in dogs, how to handle it, and when to seek professional advice.
Understanding normal vs. excessive shedding
All dogs shed their hair as part of their natural hair growth cycles, but the amount varies by breed, season, and individual factors. Breeds like Huskies and Golden Retrievers are known for shedding heavily, especially during seasonal changes in spring and fall.
But what if your dog is shedding outside these typical periods? The distinction between normal and excessive shedding lies in sudden changes like - bald patches, skin irritation, or behavioral shifts like increased scratching. If you've been wondering, “Why is my dog shedding so much?” it might be a sign of an underlying problem.
List of common causes of excessive shedding in dogs
1. Seasonal changes and breed traits
Many dogs experience more shedding than usual during transitional seasons. As the temperature increases, dogs bred for colder climates — like Huskies — tend to blow their coat, shedding massive amounts of fur in preparation for warmer weather.
2. Hormonal imbalances
Hormonal issues such as hypothyroidism or Cushing’s disease can lead to excessive shedding in dogs. Female dogs may shed more during pregnancy, after giving birth, or during heat cycles due to hormonal fluctuations. If you’re wondering “Why is my female dog shedding so much?” this might be the reason.
3. Allergies and skin irritation
Dog allergies are often overlooked. Allergic reactions — whether environmental, food-related, or due to parasites can inflame the skin, leading to increased shedding. Common signs include - redness, bumps, scratching or excessive licking.
4. Stress and anxiety
In dogs, stress is a surprising but significant factor that causes them to shed excessively. Exposure to changes in the environment, household tension or loud noises like fireworks can trigger your dog’s anxiety, leading to increased shedding.
5. Nutritional deficiencies
Lack of essential nutrients particularly omega-3 and omega-6 fatty acids can compromise skin health leading to excessive shedding. A poor diet lacking essential nutrients often results in dry and brittle hair that falls out easily.
6. Parasites and Infections
Fleas, ticks, mites, and fungal infections like ringworm can irritate your dog’s skin and lead to excessive shedding in dogs. If your dog’s shedding is accompanied by scabs, odor, or inflammation, a vet visit is essential.
7. Age-related shedding
If you're wondering “Why is my old dog shedding so much?”, it may be because older dogs experience skin changes or develop conditions that affect fur retention.
Managing and reducing dog shedding
While it's impossible to stop shedding entirely, especially in dogs that shed the most, there are steps you can take to manage and reduce it:
- Regular brushing and frequent grooming: This removes loose hair and distributes natural oils which promote a healthy coat
- Improve diet: Make sure your dog receives balanced nutrition with adequate fatty acids, proteins, and vitamins
- Bathe with care: Use vet-recommended shampoos and consider a dog shedding spray that promotes coat health and reduces fur loss
- Reduce allergens: If dog shedding is suspected due to allergies, minimizing exposure to common allergens and working with your vet can help. You can also consider using Pacgen’s Dog Allergen Neutralizing Spray to help your dog breathe easier
- Minimize stress: Provide a calm, enriched environment and consider behavioral support if your dog is anxious
- Parasite Prevention: Following a regular flea and tick prevention schedule can help avoid shedding caused by infestations
When to seek veterinary advice
Not all shedding is harmless. Consult your veterinarian if:
- Your dog is shedding more than usual without any clear reason
- You notice bald patches, skin inflammation, or unusual behavior
- The shedding persists for weeks or seems to be getting worse
A veterinarian can perform skin scrapings, blood tests, or allergy screenings to determine the causes of excessive shedding and recommend treatments accordingly.
Final thoughts
Excessive shedding in dogs can stem from numerous causes from seasonal changes to medical conditions. If you've been asking yourself, “Why is my dog shedding so much?” or “What causes a dog to shed excessively?” the key is to observe patterns, rule out triggers and take proactive steps to support your dog.
By understanding what causes shedding in dogs, keeping up with grooming, and knowing when to seek help, you can manage this hairy situation with confidence and care. Remember, your dog's coat is often a reflection of their inner health and with the right attention, it can stay lush and vibrant all year round.
References:
- https://www.akc.org/expert-advice/health/how-often-should-you-wash-your-dog/
- https://nmah.vet/blog/7-reasons-why-flea-tick-prevention-is-vital-for-your-pets/
- https://aha.vet/behavioral-modification-for-dogs-with-anxiety/
- https://www.webmd.com/pets/dogs/ss/slideshow-skin-problems-in-dogs
- https://www.petmd.com/dog/conditions/endocrine/cushings-disease-in-dogs-symptoms-diagnosis