08-04-2008, 11:35 PM
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 | Administrator Points: 32,271, Level: 78 | | | Join Date: Dec 1997
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 Re: How to prevent injection pain
Quote:
Originally Posted by Fraggle  This is advice I find myself giving repeatedly on how to prevent injection pain.
First, there are five primary causes of injection pain.
1) High Benzyl Alcohol content.
2) Precipitation of short estered compounds
3) High concentration (mg/ml)
4) Fascia displacement
5) Histamine reaction
Fraggle | Thanks for this!
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