First time drinking coffee and I have side effects?

So today I drank a really good iced coffee and never usually drink a whole coffee like 2 or 3 sips of a friends so I gt my own and now like 30 min after I'm shaking and my heart is racing :/ is that normal?
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+1 y
also I never really have caffeine, I don't drink cola or any energy drinks
First time drinking coffee and I have side effects?
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