Okay, it appears you are offline, so I will proceed with my consultation. The initial good news I have is that if your veterinarian accurately identified that the tick your dog had on her was indeed a Brown Dog Tick, then Lyme Disease is not a concern, as the organism that causes Lyme is transmitted only by the Ixodes species of tick. That stated, even if the tick was an Ixodes species tick, it would not be worth testing for Lyme this soon, as the disease has an incubation period of 3-6 months before it is detectable my standard blood tests.
Regarding Revolution, it is an effective heartworm, intestinal worm, and flea preventive, but it is virtually no preventive activity for ticks. For effective tick protection, my favorite product is a 3 month flea/tick chewable called Bravecto. Bravecto is very safe and very effective against all of the major tick species and can be used concurrently with Revolution.
FYI, the infectious disease most commonly associated with the Brown Dog Tick is ehrlicia, a disease that presents similarly to Lyme, but is much less common. Signs of disease like Lyme would not surface until 3 - 6 months after the tick feeding, so like Lyme, it is not worth testing for at this time.
Sings of disease so that you know what to look out for just in case include depression, poor to no appetite, very high fever. Like Lyme, Ehrlichia responds very well to treatment with the antibiotic doxycycline.
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