What are the side effects of dental anesthesia? I had it done yesterday and started shaking & crying & my heart felt like it’s out of place?

how old are you?
i get three injections in the gums
to numb the tooth, thats all

The problem with any anesthesia and procedure is that different people can react differently due to many factors.  Now that you know you have this negative reaction you will need to refuse it in the future and go for just numbing.

Pretty much what happened to my daughter, and the shaking/uneasy feeling lasted for most of that day. It was not a pleasant experience for her in the least. I had never seen that sort of reaction. Nothing worse then hearing your kid crying while they are coming around, and the staff gathered around laughing and having a good time.