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Lexiva (fosamprenavir)

By Mark Cichocki, R.N., About.com

Updated: February 2, 2008

About.com Health's Disease and Condition content is reviewed by Susan Olender, MD

Lexiva Tablets

Photo © Gold Standard
Classification:
Protease Inhibitor (PI)
Form:
700mg tablet (pink; oval)
Dosage:
There are several ways to dose Lexiva, both boosted and unboosted. Dosages vary if the patient has taken a PI in the past.
  • No Previous PI Therapy
    • Two 700mg tablets with two 100mg capsules of Norvir once each day.
    • One 700mg tablet with one 100mg Norvir capsule twice each day.
    • Two 700mg tablets twice each day.

  • Previous PI Therapy
    • One 700mg tablet with one 100mg Norvir capsule twice each day.
Instructions:
  • May take with or without food.
  • Take medications at the same time each day.
  • When taking the boosted dosages, the Norvir capsules must be refrigerated.
Side effects to report to your doctor:
  • A general feeling of malaise ("feeling crummy")
  • Nausea / vomiting / diarrhea (may be increased with Norvir)
  • Loss of appetite
  • Headache
  • Lipodystrophy
  • Elevated cholesterol and triglycerides
Drug interactions or incompatibility:
  • Viagra doses need to be decreased when used while taking a PI.
  • St. John's Wort decreases the effectiveness of Protease Inhibitors and therefore should not be taken.
For more information:
To learn more about Lexiva, see the manufacturer website.

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