I'm not a veterinarian, but it sounds like your dog may be experiencing a serious medical issue. Collapsing legs and rolling eyes can be signs of a variety of conditions, such as seizures, neurological problems, or cardiovascular issues. It would be important to seek veterinary care immediately to determine the cause of these symptoms and receive appropriate treatment. Please take your dog to a vet as soon as possible.
My dog's legs keep collapsing and I think he's passing out because his eyes are rolling back
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