Dalteparin sodium (Fragmin, Pharmacia & Upjohn) is a low molecular weight heparin (LMWH) with activity measured in WHO international units of anti-Factor Xa activity.


2,500 IU anti-Factor Xa activity = 16 mg dalteparin


1 mg dalteparin = 156.25 IU anti-Factor Xa activity


Dalteparin is supplied in prefilled syringes or in multi-use vials containing 95,000 IU.


The prefilled syringes contain either:

(1) 2,500 IU per syringe

(2) 5,000 IU per syringe

(3) 7,500 IU per syringe


The vials either contain:

(1) 9.5 mL with 10,000 IU/mL, or

(2) 3.8 mL with 25,000 IU/mL


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