Follistim Pen Description
The Follistim pen is an injection application tool for Follistim cartridges
The Follistim pen is required to administer the cartridges containing the medication. Follistim pens are re-usable so you only need to buy one pen.
In some countries Follistim pens are known as Puregon pens. They are manufactured by the same pharmaceutical company, Organon Pharmaceuticals however Organon use different names for the same product in different countries.