I wouldn't give any flea medication. If you live somewhere where fleas are a problem all year round then I would just be diligent about applying natural flea repellants and there are quality ones out there.
check http://www.keys-soap.com
or just up on oils that you can mix with water, shake and spray.
Bergamont is good as are many others.
Just make sure that you respect your dogs strong scense of smell.
:-)
Do you think MSM could be given in therapeutic doses to help my girl? If the inflammation isn't kept down then she seizures.