Hypodermic Injections




Intravenous Injections

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How to administer an intravenous injection

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An intravenous infustion is a liquid administered directly into the bloodstream via a vein. The first polio vaccine in 1952 was injected intravenously until an oral vaccine replaced it in 1955.

When a rapid onset of action is needed, medications may be administered intravenously, intramuscularly, under the tongue (sublingual), or by intranasal or oral inhalation (insufflation).


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