IV

"Intravenous (IV) therapy, or IV infusion, is a way to give a person medicine or fluids directly into a vein."

https://www.verywellhealth.com/iv-therapy-5216194?hid=4811f21c13a7d3a5abac89f8c16272d61e5cb114&did=12827417-20240502&utm_source=verywellhealth&utm_medium=email&utm_campaign=verywellhealth-newsalert_relationship-builder&utm_content=050224&lctg=4811f21c13a7d3a5abac89f8c16272d61e5cb114&lr_input=64a20f24338333901e4cb7afc40a3cfae56c6770df59fc13cf25a5ce36d78b01