Excessive dog shedding frustrates pet owners and leaves fur covering furniture, clothing, and floors. While shedding is normal for most dogs, abnormal hair loss signals underlying health problems that need veterinary attention.
Dogs shed for several reasons. Seasonal shedding occurs when dogs transition between winter and summer coats, typically in spring and fall. This natural cycle helps them regulate body temperature. However, excessive shedding year-round indicates something else entirely.
Health conditions drive abnormal shedding. Allergies rank among the top causes. Dogs with food allergies or environmental allergies (dust, pollen, mold) often lose hair excessively. Parasites like fleas, lice, and mites trigger severe shedding as well, even if you don't see the pests directly. Skin infections caused by bacteria or yeast also result in hair loss. Hormonal imbalances, particularly thyroid problems, cause diffuse shedding across the body.
Stress, poor nutrition, and certain medications contribute to excessive hair loss too. Dogs experiencing anxiety or living in stressful environments shed more than relaxed dogs. Low-quality diets lacking essential fatty acids and protein weaken hair follicles. Some prescription medications list shedding as a side effect.
Regular grooming helps manage normal shedding. Brushing your dog several times weekly removes loose hair before it falls out around your home. High-velocity dryers designed for dogs effectively remove excess coat during heavy shedding seasons. De-shedding tools like the FURminator or slicker brushes work well for dogs with thick undercoats.
Your veterinarian should evaluate persistent shedding. They'll examine your dog's skin, check for parasites, and may run blood work to rule out thyroid disease or allergies. Once your vet identifies the cause, treatment can
