IV fluid tonicity

 

 

 

 0.9% NaCl (normal saline)  isotonic
 0.25% NaCl  hypotonic
 0.45% NaCl  hypotonic
 2.5% dextrose  hypotonic
 Lactated Ringer's solution  isotonic
 D5W (acts as a hypotonic solution in body)  isotonic 
 D5 NaCl  hypertonic
 D5 in Lactated Ringer's  hypertonic
 D5 0.45% NaCl  hypertonic