Ugh! Dogs just love those things, don't they?! First, get a new trash can with a self- closing lid. :-)
Next, keep an eye on your dog for any symptoms of nausea like loss of appetite or vomiting. If your dog begins to bloat, he's in big trouble. That means the tampon has become stuck somewhere in the intestines, and that's a medical emergency requiring surgery. You may get lucky and your dog will simply pass it out in a day or two with no trouble whatsoever.
In the meantime, get prepared and start looking around for emergency vet clinics near you just in case you need to get moving fast. Once you find one open, ask them over the phone about any other symptoms to be on the lookout for. Good luck!
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