Drug Dosing Tool: Lexiva (U.S. Department of Veterans Affairs)

Lexiva (fosamprenavir)

Type of Drug: Protease Inhibitor

Once HIV has infected a cell and made copies of itself, it uses an enzyme called protease to process itself correctly so it can be released from the cell to infect other cells. Protease inhibitors work by blocking that enzyme.

Approved adult dosing

two 700 mg tablets Lexiva, two times a day

Morning
Lexiva
Evening
Lexiva

Note: This dosage may not be appropriate for people who have taken other HIV medications in the past; discuss with your medical provider

one 700 mg tablet Lexiva + one 100 mg capsule Norvir, two times a day

Morning
Lexiva
+
Norvir
Evening
Lexiva
+
Norvir

two 700 mg tablets Lexiva + two 100 mg capsules Norvir, once a day

Daily
Lexiva
+
Norvir

Note: This dosage may not be appropriate for people who have taken other HIV medications in the past; consult your medical provider

two 700 mg tablets Lexiva + one 100 mg capsules Norvir, once a day

Daily
Lexiva
+
Norvir

Note: This dosage may not be appropriate for people who have taken other HIV medications in the past; consult your medical provider

Notes on taking this medication

No food restrictions, can take with or without food
Lexiva interacts with many other drugs; persons using Lexiva with those drugs may need an adjustment to their dose of Lexiva or the other drugs; consult your medical provider

Side effects

Nausea; vomiting; diarrhea; fatigue; headache
Rash
Persons who are allergic to sulfa drugs may be allergic to Lexiva
Liver inflamation and increased liver enzyme levels
Elevations in cholesterol and triglycerides
Abnormal accumulation of body fat

See accompanying chart: Tips for Common Side Effects

My doctor's instructions

Disclaimer:

This information is not meant to substitute for advice from your medical provider or pharmacist. If you have any questions about your medication dosing, talk to your medical provider or pharmacist.

Drug Dosing Toolkit

Lexiva (fosamprenavir)

Approved adult dosing

Morning

Evening