Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Venous catheterization
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Venous catheterization: The insertion of a tiny tube (catheter) into a peripheral or central vein to deliver fluids or medication. Venous catheterization is the most frequently used method for administration of IV fluids. The most common complication of venous catheterization is infection at the site of the catheter (catheter sepsis).