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The best recommendation I can make at this time would be to induce vomiting, unfortunately cats do not respond well to hydrogen peroxide or apomorphine (medication given to make animals vomit) so the best and most reliable way of inducing vomiting in a cat is to give a medication called dexmeditomidine. this produces vomiting in about 2/3 of cats. the other reason to take her in to an emergency vet would be so they can give activated charcoal to absorb anything that she does not vomit up or in case she does not vomit. She will also likely benefit from IV fluids and medication to treat tremors, low or high heart rate or seizures if she has any of these side effects.
Does this address your concern today?