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If there is any micro organism or bacteria on the skin swabbing would prevent the needle from transferring it into the blood stream.

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13y ago

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When a person condemned to death by lethal injection is executed why do they swab his arm with alcohol before inserting the needle?

Because cruel and unusual punishment is both unconstitutional and morally impermissible - by swabbing the arm they dull the pain of the needle insertion, as the injection itself is not designed to cause physical pain.


How does swabbing the skin before an injection help prevent infection?

Swabbing the site with alcohol is done routinely by doctors. I have been doing the same for years. This practice is more or less of psychological value. The bacteria are not killed in such a short time. Many diabetic patients have been taking insulin injections for years without swabbing the skin with spirit and they have no problem. The healthy skin has got too little number of bacteria to create problem. The tip of the needle is too sharp to put in the enough number of bacteria to create any problem. But this harmless practice will continue in coming years also.


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What is felt after applying spirit before injection?

The skin is cleaned with spirit before injection. It may just feel a bit cold


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