OK, for her size, you can give 50 mg diphenhydramine (2 adult Benadryl tablets). You can use the generic, just make sure any product you use says "diphenhydramine" as the active ingredient, with no others listed.
Alternatively, you can give 3 mg of melatonin.
DAP can be purchased as a spray, or a collar infused with the pheromone.
Lavender can be used when necessary by taking a sparing amount (just a couple drops will do) on your fingertips, and wiping across each front paw and tips of the ears.
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