It can be alarming to discover patches of missing fur on your dog or notice their coat thinning more than usual. While some shedding is normal, unexplained hair loss can point to underlying health concerns that need attention. From allergies and parasites to stress or hormonal imbalances, there are many reasons your dog might be losing hair. At Arvada Veterinary Hospital, we’re here to help uncover the cause and guide you toward the best solution. If your dog is experiencing unexplained hair loss, give us a call at (303) 424-4439 or book an appointment online today!
What Causes Dog Hair Loss?
Dog hair loss, also known as alopecia, can result from a variety of factors, including medical conditions, external irritants, and lifestyle influences. Some cases are minor and temporary, while others may require medical intervention. Here’s a look at some of the most common causes:
Allergies
Dogs can develop allergic reactions to food, environmental factors like pollen or dust mites, or substances that come into contact with their skin. Allergic reactions often cause itching, redness, and irritation, leading to excessive scratching or biting that can result in hair loss.
Signs of Allergies:
- Red, inflamed skin
- Persistent scratching or chewing
- Hair thinning in specific areas, like the face or paws
If you suspect allergies are the cause of your dog’s hair loss, your veterinarian can perform allergy tests to identify the source of the problem and recommend treatment.
Parasites
Fleas, mites, and ticks can cause intense itching and inflammation, prompting your dog to scratch or bite their skin, leading to bald spots. Mange, caused by mites, is a specific condition that often results in significant hair loss if untreated.
What Does Dog Hair Loss Due to Parasites Look Like?
- Bald patches, particularly around the ears, neck, or legs
- Scabs or sores from scratching
- Visible signs of fleas or ticks
Hormonal Imbalances and Hair Loss
Hormonal changes can also lead to hair loss in dogs. Hormones regulate many functions in the body, including hair growth. When these processes are disrupted, hair loss may occur.
Hypothyroidism
Hypothyroidism, a condition where the thyroid gland produces insufficient hormones, often leads to symmetrical hair loss, meaning both sides of the body are affected. Dogs with hypothyroidism may also exhibit lethargy, weight gain, and skin changes.
Cushing’s Disease
Cushing’s disease occurs when the body produces too much cortisol. This hormone imbalance can cause thinning hair, a pot-bellied appearance, and skin that bruises easily. If you notice these signs, schedule a veterinary consultation for diagnosis and treatment.
Seasonal Shedding
Some hair loss is normal and occurs as part of a dog’s natural shedding cycle. Certain breeds shed more heavily during specific seasons, such as spring or fall. However, if the shedding appears excessive or is accompanied by other symptoms like skin irritation, it’s worth investigating further.
Infections That Contribute to Hair Loss
Skin infections, both fungal and bacterial, often cause localized bald spots, scabs, and redness.
Ringworm
Despite its name, ringworm is a fungal infection, not a worm. It is highly contagious and can cause circular patches of hair loss with red, scaly skin. Prompt treatment is essential to prevent the infection from spreading to other pets or humans.
Bacterial Infections
Bacterial infections often develop as a secondary issue, especially when a dog scratches or bites at irritated skin. These infections can worsen hair loss and cause discomfort if not treated.
If you notice any signs of infection, such as foul-smelling discharge, swelling, or persistent redness, contact Arvada Veterinary Hospital at (303) 424-4439 to schedule an appointment.
Stress and Behavioral Causes of Hair Loss
Stress and anxiety can have physical effects on dogs, including hair loss. Just like humans, dogs may experience stress due to changes in their environment, lack of exercise, or boredom. Behavioral issues such as excessive licking or chewing can also lead to hair loss over time.
Recognizing Stress-Related Hair Loss
- Excessive grooming in specific areas
- Bald spots on legs or paws from licking
- Other behavioral changes, like hiding or reluctance to eat
Your veterinarian or animal behaviorist can recommend strategies to reduce stress and improve your dog’s well-being.
When Is It Necessary to Visit Your Veterinarian?
While minor shedding is normal for dogs, persistent or severe hair loss often signals an underlying issue that requires veterinary care. Contact Arvada Veterinary Hospital if you notice:
- Widespread hair thinning or bald patches
- Skin irritation, redness, or sores
- Sudden changes in your dog’s coat or shedding patterns
- Signs of discomfort, such as excessive scratching or licking
Prompt diagnosis and treatment can prevent further complications and improve your pet’s quality of life. Call (303) 424-4439 or book an appointment online to address your concerns.
Supporting Your Dog’s Coat Health
Maintaining your dog’s coat health is essential for their overall comfort and appearance. Here are some steps you can take to promote a healthy coat:
Provide a Balanced Diet
Nutrition plays a significant role in skin and coat health. High-quality dog food with essential fatty acids, vitamins, and minerals can reduce shedding and improve the condition of your dog’s coat.
Regular Grooming
Brushing your dog’s coat regularly helps remove loose fur, prevent matting, and distribute natural oils that keep their coat shiny and healthy.
Parasite Prevention
Consistent use of flea and tick preventatives can protect your dog from parasites that contribute to hair loss.
Routine Veterinary Check-Ups
Regular visits to your veterinarian ensure that any potential health issues are detected early, including those that might cause hair loss.
Promoting a Healthy Coat and Skin
Dog hair loss can be a frustrating experience for both you and your pet, but understanding the potential causes can help you take the right steps toward resolving the issue. Whether the cause is allergies, a skin infection, or a hormonal imbalance, early intervention can make all the difference. For more information or to schedule an evaluation, contact Arvada Veterinary Hospital at (303) 424-4439 or book an appointment online. Your dog deserves to feel comfortable and confident in their own skin!
