Correct versus wrong practice
Syringes and pen needles are used for several shots
Modern syringes and pen needles are intended for single use only
Correct versus wrong practice
Inject needle through clothing.
It is perfectly harmless
Currently marketed needles are very fine and if you inject the needle through cloth it dulls the needles even more fast. Hence, don’t inject needles through clothes.
Consequences of using dull needle
Correct versus wrong practice
Many pen users leave the needle on the pen between shots
Remove the needle from the pen after the shot.
Consequences of leaving needle on the pen
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