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Hello, this is Dr. Jess. I am very sorry to hear about your predicament! Whether or not this causes and issue will likely depend on the amount of sand ingested. A small amount will likely pass through her system. The problem arises if she at a large amount of the sand as it can form a conglomeration/ball of sand in the stomach or intestines.
If you want to ease your mind, you can have your vet take an x-ray of her belly, to check for a ball of the sand causing an obstruction.
If she has been eating and drinking and energetic as normal, with no vomiting and no abdominal pain, then perhaps she ingested a small amount and it has passed through her system already. But if she does develop any of those signs, she should be seen right away.