Hello again Margaret,
Sorry to hear Shannon is a little unwell, however I have worked out an answer for you below ...
1. Unfortunately Advil and many of the other over the counter human pain killers are very unsuitable for use in the dog due to many reports of side effects and toxicity, most of these drugs would not be a safe option for Shannon.
2. However you do have one reasonably safe option in terms of human over the counter drugs, this being Aspirin. This drug is sometimes prescribed for dogs for pain relief and is regarded as safe as compared to the vast majority of the other over the counter human pain killers.
3. A typical dose rate for aspirin in the dog would be 5 mg per pound of your dog's body weight given twice daily. The judgement whether to dose with aspirin is of course up to you but here is a link to an accurate web page with all the facts you might need including dose rates and contraindications : LINK
4. Of course if symptoms continue in spite of home remedies or you note any deterioration then your best plan would be to have Shannon checked over by your vet without delay.
I hope I have covered your question fully enough but if you would like further clarification or to talk things over a bit more then I will be on-line for the next hour or so and I will be more than pleased to continue working with you.
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