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Those Little Tear Tracks? Here's What They Really Mean

STORY AT-A-GLANCETear stains are most visible in white or light-colored dogs and are caused by iron-rich molecules called porphyrins that discolor fur when tears spill onto the faceFacial structure plays a major role in staining; breeds with short noses and prominent eyes often experience poor tear drainage due to inefficient nasolacrimal ductsTear staining may result from blocked tear ducts, excessive tear production, or underlying infections —…
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barkandwhiskers.com broke the news in on Friday, August 15, 2025.
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