intravenous injection
Direct bloodstream administration
An intravenous injection delivers medication or fluid directly into a vein, allowing immediate absorption into the bloodstream.
This bypasses the digestive system, making it faster and more predictable than oral doses.
Often shortened to IV: The nurse prepared an IV injection of antibiotics.
The method is standard in hospitals and emergency medicine.
- IV lineIntravenous fluid pathway
- saline solutionSalt dissolved in water
- needle stickAccidental puncture from syringe
- syringeMedical injection tool
- circulatory systemHeart, vessels, blood together
tourniquet · antibiotics · catheterization · vitamins · analgesics · blood plasma · immunoglobulins · electrolytes · IV drip · blood transfusion · bolus · drug delivery · immune response · bedside manner · drug metabolism · phlebotomy · cannula · central line
intravenous injectionoral medication
Drugs swallowed whole
topical application · transdermal patch · inhalation · nasal spray · suppository
intravenous injectiontopical cream
skin patch · lozenge · oral medication · transdermal patch · ointment
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