IUBio

Dental injection & facial nerves? (Was: Re: Facial Nerve Damage)

Brian Sandle bsandle at southern.co.nz
Thu Jan 7 04:55:16 EST 1999


In sci.med.dentistry RAS <raspinel at iupui.edu> wrote:
: 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!

That does not worry me though I haed to go outside and lie down once when 
in a science class we were required to lance our thumb for blood to look at.

  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.

I would appreciate any refs.

: However, lidocaine has no known side effects (other than if someone is
: allergic to all amide-type anesthetics).

Amide type are they?

I keep a fair level of niacinamide in my diet, 200 or 300 mg per day. It
                             ^^^^^
is not time release, I read that that can be liver toxic. Would there be
overlap into the body's metabolizing forces by amide anesthetics?

: Ray             

Brian Sandle


:>: 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.






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