Crohn's Disease Forum » Forum Wiki » Intravenous


Intravenous literally means into the vein. It refers to having a needle inserted into a vein (typically in the arm, although other sites may be used if the arm veins are not accessable), for the administration of fluids or medication.

The needle may be inserted for a short time while a medication is administered. Or a 'cannula' may be inserted- this is a needle with a tube and a plug that can be inserted, taped in place and left for 3-5 days. When fluids or medication need to be given, the plug is removed. This means that the patient does not have to have repeated needle sticks.

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