Nail Bed Infections
Recurring nail bed infections in dogs, especially when accompanied by brittle, splintering nails, can have several underlying causes. It’s essential to identify the root issue to prevent further infections and nail loss. Here are some possible causes:
1. Trauma and Injury
Repeated nail trauma (e.g., rough play, running on hard surfaces) can cause splits or cracks, allowing bacteria or fungi to enter.
Improper nail trimming techniques leading to cracks or quick exposure.
2. Fungal or Bacterial Infections
Bacterial infections (paronychia) often cause redness, swelling, and pus around the nail bed.
Fungal infections (onychomycosis) can cause thickened, brittle, and discolored nails.
3. Autoimmune Disorders
Symmetrical Lupoid Onychodystrophy (SLO): An immune-mediated condition causing brittle, cracked nails that frequently fall off. It often affects multiple nails.
Pemphigus or vasculitis: Other immune disorders that can cause nail deformities and infections.
4. Nutritional Deficiencies
Low Biotin or Zinc levels: Essential nutrients for nail strength. Deficiencies can cause brittle nails prone to splitting and infection.
Imbalance of Omega-3 fatty acids: Poor nail and skin health.
5. Hormonal or Endocrine Disorders
Hypothyroidism: Common in middle-aged to older dogs, causing brittle nails, skin infections, and poor coat quality.
Cushing’s Disease: Weakens skin and nails, making infections more likely.
6. Allergies (Food or Environmental)
Allergies can cause chronic inflammation, licking, and chewing of paws, leading to secondary infections in the nail beds.
7. Parasites or Mites (Demodex or Scabies)
Can cause inflammation, itching, and secondary infections in the nails and surrounding skin.
8. Cancer or Tumors (Rare but Possible)
Squamous Cell Carcinoma: Can affect the nail bed, leading to chronic infections and loss of the nail.
Diagnostic Steps to Consider With Your Vet:
Cytology and Culture: To identify bacterial or fungal pathogens.
Biopsy or Histopathology: Especially if SLO or cancer is suspected.
Bloodwork: To screen for hypothyroidism, Cushing’s disease, or autoimmune markers.
Food Allergy Trial: To rule out diet-related issues.
Natural Support Options You Might Recommend:
Biotin (B7) and Zinc Supplements: To support nail strength. (FullScript)
Omega-3 Fatty Acids (Fish Oil): To reduce inflammation and support skin health. (Fullscript Nordic Naturals)
Medicinal Mushrooms: to support the immune system (Real Mushrooms)
Colostrum: To support immune balance (helpful for autoimmune issues).
Herbal Support for Infections: Oregano oil (diluted) or Goldenseal (short term use) for antimicrobial properties.
Tea Tree Oil (properly diluted): As an antifungal for nail beds.
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In TCVM, the health of nails is closely connected to the Liver and Blood. Nails are considered the "surplus" of the Liver, so issues like brittle, cracked, or infected nails often signal an imbalance in the Liver or a deficiency in Blood. We talk about this more extensively in the client forum! Along with Chinese Herbs that can be supportive.