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When and How to Take Filgrastim

General considerations for when and how to take filgrastim include the following:
  • Filgrastim comes as an injection that can be given just under the skin or by IV.
  • This medication is usually given daily for a specific period or until your neutrophil levels increase, depending on the particular use. For severe chronic neutropenia, filgrastim is given continually on a daily basis.
  • Filgrastim should not be taken within 24 hours before or after chemotherapy or bone marrow transplantation.
  • If you feel comfortable doing so, you or a caregiver may administer the injections just under the skin. If you would prefer, your healthcare provider can give the injection.
  • In some situations, it may be an option to give filgrastim as a continuous infusion just under the skin. This is like an around-the-clock IV, except it goes just under the skin, not into a vein.
  • Never shake filgrastim, as it is a delicate molecule that could be damaged by shaking.
  • You will need regular blood tests while taking this drug to see if it is working.
  • If you choose to give the injections yourself, make sure you know exactly how to inject the drug.
  • For filgrastim to work properly, it must be taken as prescribed.

Dosing Information

The dose of filgrastim your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your weight
  • How you respond to filgrastim
  • The condition being treated
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As always, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Filgrastim Dosing for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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