enfuvirtide, T-20; Fuzeon

enfuvirtide, T-20 (Fuzeon)

Type of Drug: Fusion Inhibitor

Fusion inhibitors work by stopping the HIV virus from getting into your body's healthy cells in the first place.

Approved adult dosing

90 mg (in 1 mL solution) injection

one injection under the skin, two times a day

  • Morning

Picture of Fuzeon (enfuvirtide, T-20) injection medication for the treatment of HIV


  • Evening
Picture of Fuzeon (enfuvirtide, T-20) injection medication for the treatment of HIV


Notes on taking this medication

  • One vial contains a white powder, which is the medication (Fuzeon); another vial contains sterile water; withdraw the water with a syringe and mix into the vial with the Fuzeon
  • You can prepare both doses at the same time, but should store the second vial in a refrigerator for use later on the same day
  • Keep uncapped vial tops, syringes, and your hands clean while preparing Fuzeon
  • Draw Fuzeon solution into the syringe only when you are ready to inject
  • Rotate injection sites for each injection
  • Never inject Fuzeon into a vein or muscle

Side effects

Quick GuideHIV AIDS Facts: Symptoms and Treatments

HIV AIDS Facts: Symptoms and Treatments


Fuzeon (enfuvirtide, T-20) is a fusion inhibitor injection medication prescribed for the treatment of human immunodeficiency virus (HIV). Side effects, drug interactions, warnings and precautions, and patient information should be reviewed prior to taking any medication.

Treatment & Diagnosis

Medications & Supplements

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SOURCE: United States Department of Veterans Affairs. "Drug Dosing Toolkit, Fuzeon (enfuvirtide, T-20)."

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