PHILADELPHIA (CBS) — Some reminders on how to keep your pet safe and out of the emergency room this Thanksgiving holiday weekend.

Poultry bones could be dangerous to your pet.

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Dr. Erica Reinieke, who teaches Emergency and critical care medicine at The University of Pennsylvania Veterinary School, says, “Primarily because they can splinter and cause some damage to the esophagus or the lining of the stomach.”

She urges you to properly dispose of the bones. Anything with onions in it should be kept away too.

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Onions can lead to red blood cell lysis, which means the red blood cells can pop basically and that can cause anemia, or where the red blood cell count can be quite low.”

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Grapes and raisins are harmful to dogs if enough is eaten, it could cause kidney failure.

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Also make sure pets are secured as visitors could unknowingly let them out of a house or yard.