7 Most Common Reasons for Bulldog Hair Loss

By: Dr. Roy Kraemer |
DVM, Bulldog Specialist Veterinarian
Categories

Bulldog hair loss (alopecia) is one of the most common manifestations of bulldog skin disease (dermatitis). Here are some key distinctions and causes[…]

Bulldog Hair Loss Patterns

Bulldog hair loss can manifest in various patterns:

  • Focal
  • Symmetrical
  • Multifocal
  • Diffuse
  • Patchy

rescue bulldog with autoimmune skin disease

Hair Loss Degree of Bulldog Itchness

The presence or absence of itch can provide insight into the underlying cause. The intensity of the itch, or lack thereof, is also informative.

Bully Itching Allergy Chews - French Bulldog

Hair Loss In Bulldogs and Skin Texture Changes

The skin should be examined for changes associated with hair loss:

  • Skin discoloration
  • Greasiness or oiliness (seborrhea oleosa)
  • Dryness (seborrhea sicca)
  • Flakiness, dandruff, or hyperkeratinization
  • Abnormal odor
  • Lesions such as
    • ulcers
    • hot spot
    • papules
    • vesicles
    • pustules
    • draining tracts

skin issue in bulldogs

Bulldog Hair Loss and Household Considerations

Consider environmental factors, both indoors and outdoors:

  • Fleas and flea dirt
  • Other pets or household members with skin problems
  • Visits to parks, kennels, vets, or boarding facilities
  • Additional clinical symptoms in your bulldog, such as:
    • ear infections
    • excessive drinking and urinating
    • general illness
    • inadequate diet and supplements

 

Most Common Skin Conditions Associated with Bulldog Hair Loss  

Below are Dr. Kraemer’s 7 most common medical conditions associated with hair loss, alopecia, and baldness in bulldogs and Fr. bulldogs.

#1:  HAIR LOSS DUE TO ATOPIC ALLERGY

Environmental allergies are characterized by itching and seasonality. The onset typically occurs before your bulldog reaches the age of three and the distribution can range to face, ear, groin, back legs, and paws.

Environmental allergies are likely the #1 cause of hair loss 

Bulldog Atopic Itch dermatitis

[Learn more about bulldog atopic allergies and hair loss HERE]

#2:  HAIR LOSS AND BULLDOG FOOD ALLERGY

Food allergies, although less common, can also cause hair loss and may be associated with gastrointestinal problems such as excessive gas, vomiting, and diarrhea. It is not seasonal and usually manifests later in life.

Food allergy in bulldogs and Fr. Bulldogs is not as common as you might think

French Bulldog Food Allergy

[Learn more about hair loss due to food allergies HERE]

#3  HAIR LOSS DUE TO FLEA ALLERGY

Flea allergies are often seasonal (during warmer months) and more common in outdoor and multi-pet households. Bulldogs with flea allergies will be very itchy. You can often find live fleas and black, pepper-like flea dirt on your bulldog’s back and belly.

Bulldog flea allergy hair loss typically occurs near the tail base.

French Bulldog Itchy Flea Allergy

[Learn more about hair loss due to bulldog flea allergies HERE]

#4:  FLANK ALOPECIA SEASONAL HAIR LOSS

This condition is characterized by patchy hair loss on the flanks, with dark skin discoloration, and a lack of itching. It is seasonal, usually occurring during the winter and less sunny parts of the year.

Bulldog flank alopecia is not itchy

English bulldog flank Alopecia seasonal baldness

[Learn more about hair loss due to bulldog flank alopecia HERE]

#5:  HAIR LOSS DUE TO DEMODEX MITES

Demodex mites are common in bulldogs and may be linked to a genetic predisposition involving an incompetent immune system.

It is more common in puppies and usually presents as focal, patchy, and non-itchy hair loss that resolves as the immune system matures.

The adult form is usually more serious and diffuse, often accompanied by secondary bacterial and yeast infections that cause itching.

Demodox is secondary to an incompetent immune system

bulldog PUPPY demodex red mite

[Learn more about hair loss due to bulldog demodex HERE]

#6:  BULLDOG HAIR LOSS DUE TO BACTERIA INFECTION  

Bacterial skin infections are usually secondary to itching, damaged skin barrier, and suppressed immune system. They are often caused by Staphylococcus pseudintermedius and can present with papules, pustules, redness, and odor.

Bulldog bacteria dermatitis is a secondary

[Learn more about hair loss due to bulldog infection HERE]

#7: YEASTY BULLDOG LEADING TO HAIR LOSS

Similar to bacterial dermatitis, yeasty bulldog dermatitis is an opportunist secondary to one of the mentioned primary skin conditions.

It is an outcome of an intense itch that damages the skin barrier, an unbalanced skin microbiome, and an incompetent or suppressed immune system. 

A yeasty bully usually presents with dark discoloration thickened skin, and a yeasty smell.

Yeasty Bulldog and French Bulldog

[Learn more about hair loss due to yeasty bully HERE]

Other Less Common Causes of Bulldog Hair Loss

  • Pemphigus (autoimmune)
  • Sarcoptic mange mites
  • Ringworm
  • Hormonal issues such as
    • Cushing’s disease
    • hypothyroidism
  • Cancer of the skin
  • Hot spot pyoderma

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