Why Is My Guinea Pig Losing Hair? Causes, Treatment & Tips

Hair loss in guinea pigs can indicate health issues or normal shedding. Knowing the causes, signs, and treatments will help keep your pet healthy and happy.

1. Common Causes of Hair Loss

  • Molting: Seasonal shedding, normal
  • Parasites: Mites or lice causing bald patches
  • Fungal Infections: Ringworm causing circular bald spots
  • Nutrition Deficiency: Low vitamin C
  • Stress: Environmental changes or new pets

2. Signs to Watch For

  • Patchy bald spots
  • Excessive scratching
  • Flaky or scaly skin
  • Dull or thinning coat

3. Treatment & Care Tips

CauseSignsTreatment
MoltingEven sheddingNormal, no treatment needed
ParasitesBald patches, itchingVet-prescribed antiparasitic
Fungal InfectionCircular bald spotsAntifungal medication
NutritionDull coatFeed vitamin C-rich foods
StressSudden hair lossReduce stress, provide safe environment

4. Preventing Hair Loss

  • Provide a balanced diet
  • Maintain cage hygiene
  • Reduce environmental stress
  • Regular vet checkups
  • Observe for early symptoms

Learn more about guinea pig social behavior in What Is a Group of Guinea Pigs Called?.

Conclusion

Hair loss in guinea pigs can be normal or a sign of illness. Early detection, proper diet, hygiene, and vet care are key to keeping your guinea pig healthy.

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David Brooks is the founder of Guinea Pig Guide and a passionate guinea pig owner. He shares trusted, experience-based tips to help fellow pet lovers raise happy and healthy guinea pigs .…..
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