Ear Mites and Mite Eggs In Dog EarsUpdated 8 months ago

Ear mites are the first thing to look for on ear swab samples. Assume treatment is needed if any ear mites or their eggs are detected in your dog’s ear samples. 

Ear mites don’t always cause signs of ear scratching or head shaking, but when they do the itch can be intense and lead to harmful infections from bacteria and/or yeast. The ear discharge from heavy ear mite infestations is often dark brown to black and sometimes crusty/crumbly. Mites can multiply FAST and scratching from the irritation and infection they cause can lead to hair loss or hot spots around the ears or neck. 

Be aware that ear mites are easily contagious to other dogs, cats, and ferrets. Fortunately, transmission to humans is very rare. If detected, the next step should be a physical exam of your dog’s ears by your veterinarian who can prescribe treatment for your dog and any other at-risk pets in your household. 

There are many effective on-label and off-label medications (e.g., selamectin, fipronil, thiabendazole, fluralaner) that vets use to clear these infestations. Some are applied topically in the ears, others onto the surface of the skin, and some by mouth. There are also several over-the-counter treatments for ear mites of dogs that contain a pesticide called pyrethrin. Apply carefully (correct dosage and frequency) based on your dog’s size and age, as some products are NOT approved for puppies. 

Be aware that PYRETHRIN products are TOXIC TO CATS at too high a dose (causing tremors, seizures, or death), so never let a DOG ONLY pyrethrin product have contact with a cat or kitten!

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