Dog nails play a crucial role in your pet’s mobility and overall comfort. However, they’re often overlooked — until there’s a problem. Unhealthy dog nails can lead to pain, infection, posture problems, and even joint issues if left untreated.
In this article, we’ll help you recognize the signs of unhealthy nails in dogs, understand the causes, and provide expert-recommended treatment and prevention tips.

What Are Unhealthy Dog Nails?
Healthy dog nails are:
- Smooth, not cracked or brittle
- Clear white or black (depending on breed), without unusual discoloration
- Trimmed to avoid curling under or touching the ground
- Not bleeding, split, or swollen at the base
Common Signs of Unhealthy Dog Nails
- 🐾 Cracked, split, or broken nails
- 🐾 Redness or swelling around the nail bed
- 🐾 Bleeding or pus near the claw
- 🐾 Foul odor from paws
- 🐾 Reluctance to walk or limping
- 🐾 Nails growing inwards or curling into the paw pad
What Causes Unhealthy Dog Nails?
1. Overgrown Nails
When nails are too long, they’re more likely to crack, split, or break, which can lead to infection and pain.
2. Nutritional Deficiencies
A lack of key nutrients like biotin, zinc, and omega-3 fatty acids can weaken nail strength.
3. Injuries or Trauma
Rough play, jumping, or snagging nails on carpets or uneven surfaces can cause breakage or dislocation.
4. Fungal or Bacterial Infections
Dogs walking in damp areas, mud, or unsanitary environments are more prone to infections around the nail bed.
5. Underlying Health Issues
Conditions like autoimmune diseases, hypothyroidism, or cancer can affect nail growth and integrity.
How to Treat Unhealthy Dog Nails
🔹 Step 1: Clean the Affected Area
If the nail is bleeding, gently clean it with warm water and antiseptic solution. Apply light pressure with a clean cloth.
🔹 Step 2: Trim Carefully
Use sharp, vet-approved dog nail clippers. Avoid cutting too close to the quick (the blood vessel inside the nail).
💡 If unsure, have a groomer or vet do it — cutting the quick can cause bleeding and pain.
🔹 Step 3: Apply Antibacterial Ointment
If there’s redness, swelling, or minor bleeding, apply a pet-safe antibiotic ointment and bandage the paw.
🔹 Step 4: Visit the Vet for Infections or Persistent Issues
If you notice pus, severe pain, or repeated breakage, your dog may need antibiotics or deeper treatment.
Preventing Nail Problems in Dogs
✅ Regular Trimming
- Trim nails every 3–4 weeks (more often for indoor dogs).
- Use a nail grinder for smoother edges.
✅ Proper Diet
- Include nutrients like biotin, fish oil, and high-protein food.
- Consider supplements designed for skin, coat, and nail health.
✅ Foot Inspections
Check your dog’s paws weekly for debris, swelling, or ingrown nails.
✅ Avoid Hard or Slippery Surfaces
Dogs that walk primarily on hard floors may not wear nails down naturally, leading to overgrowth.
When to Call the Vet
Call your vet if:
- Nails are bleeding repeatedly
- You notice signs of infection (pus, swelling, bad odor)
- Your dog is limping or refusing to walk
- There are unusual nail shapes, colors, or excessive brittleness
Healthy nails are essential for a dog’s comfort, mobility, and overall wellness. By learning to recognize and treat unhealthy dog nails early, you can prevent pain and potential complications. Stay consistent with nail care, feed your dog a balanced diet, and always seek veterinary advice when needed.
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