An injection (often referred to as a "shot") is an infusion method of putting fluid into the body, usually with a hollow needle and a syringe which is pierced through the skin to a sufficient depth for the material to be forced into the body. An injection follows a parenteral route of administration, that is, administered other than through the digestive tract.
There are several methods of injection or infusion, including intradermal, subcutaneou...
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Injection
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Subcutaneous injection
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Cutaneous
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Intramuscular injection
Intramuscular (or IM) injection is the injection of a substance directly into a muscle. In medicine, it is one of several alternative methods for the administration of medications (see Route of administration). It is used for particular forms of medication that are administered in small amounts....