You have to get bitten by the dog or have his teeth scratch you. If it was a dogs toenail that scratched then I wouldn't worry. How did you get scratched by the dogs mouth or paw nails? If there was no blood it isn't likely you got exposed too.
Sounds like you are being proactive with the rabies shot, so low odds of a problem with that. The vaccines are very effective.
But seeing a pink dot after an animal scratch is a common sign of Bartonella. There is a blood test for the bacteria, b.henselae, but it often is a false negative. If you have no symptoms and you test negative, you're fine. Many people's immune systems successfully fight it off.
Bartonella can cause a streaked rash, red dot rash, sore soles of the feet, but most significantly, it can affect the brain and cause anxiety in someone with no prior history of anxiety. If you have symptoms and you test negative, it would be worth treating. There are good antibiotics for it.
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