Thanks for writing to us.
Firstly, it would be better for you to take the Infective Endocarditis
prophylaxis as you have undergone a root canal
procedure. If you have already taken it, well its good.
The rigor is very concerning indeed. I would go ahead with blood culture
in your case as the symptoms are alarming.
, vomiting are all not good signs, suggests toxemia.
Please get a thorough investigation done and treated accordingly at the earliest.
Get well soon.