Fondaparinux

Pronounced fon-dah-PAIR-i-nux

Brand names: Arixtra

Type: Anticoagulant (blood thinner) · All Heart & Blood Pressure Medicines

What Fondaparinux is used for

  • Preventing blood clots after surgery
  • Treating blood clots in legs and lungs
  • Treating clots in people who reacted badly to heparin

◆ Kidney note

Cleared by the kidneys — it must not be used when kidney function is severely reduced.

Common side effects

  • Bruising at injection sites
  • Easy bruising
  • Nausea
  • Swelling

Important cautions

  • Serious bleeding is the main risk — report unusual bruising or bleeding

How it comes

Injection under the skin. This guide lists forms only — it never lists strengths or doses.

Related medicines — Heart & Blood Pressure Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.