I question the assertion that lidocaine has no known side effects. See
my ref in previous post to partial-seizure-like effects of local
anesthetics in this general class.
F. LeFever
In <76r97q$kig$1 at hercules.iupui.edu> "RAS" <raspinel at iupui.edu> writes:
>>Brian, I think what Joel was getting at was that the sterile water was
>simply a placebo that also caused vaso-vagal syncope. The "spaciness"
that
>these patients experienced was likely due to worrying about the
needle! I
>typically get "spacey" after any shot that I get (except in the
mouth)--I've
>even passed out 10 minutes after a Hepatitis B vaccination. I
consider it a
>psychogenic reaction--I remember sitting there worrying if the vaccine
could
>possibly give me Hepatitis B! Same with flu shots and TB tests.
However,
>when I get a local anesthetic, I am fine--probably because I'm more
aware of
>what it is, how it works, and how harmless it is. Having said that,
there
>are rare side effects to mepivacaine that could explain those
feelings.
>However, lidocaine has no known side effects (other than if someone is
>allergic to all amide-type anesthetics).
>>Ray
>>>>>: Can also be due to an injection of anything including sterile water
in
>>: a patient with very low blood pressure and a low tolerance for this
>>: kind of stuff.
>>>