Guide To Intravenous Fluids: 0.45% Sodium Chloride (Half Normal Saline)

OVERVIEW

This page is dedicated to providing more information on the intravenous fluid 0.45% sodium chloride (half normal saline). More information on other intravenous (IV) fluids can be found here.

Half normal saline is a very commonly used IV fluid in medicine (source)
WHAT IS IT?

0.45% sodium chloride (commonly called half normal saline) is a very commonly used IV fluid in medicine. It has the following features:

  • Osmolarity (hypotonic): 154 mOsmol/L (contains 0.45 g/L of sodium chloride)
  • Sodium concentration: 77  mEq/L
  • Chloride concentration: 77  mEq/L
WHEN DO WE USE IT?

In order to give water and volume 

WHEN DO WE AVOID USING  IT?

 

 

Page Updated: 01.09.2017