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  On a separate note, why isn't Frontline Plus an option? I've found it to be the safest and the best. If price is an issue buy the large dog size and break it up into the correct dosage, I can tell you how to do it if needed. Costco sells Frontline Plus super inexpensively and it actually works, is safe, and is so much easier than other options. Frontline Plus does not contain pesticides, it contains agents that are harmful only to insects. The agents can irritate eys, thus the warnings on the package. Hate to sound like their spokes person, but I love the sharing of information on good products.  |