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Fosamprenavir

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

    Related terms
    • Brand Names: U.S.: Lexiva®
    • Brand Names: Canada: Telzir®
    • Mexican Brand Names: Telzer
    • Pharmacologic Category: Antiretroviral Agent, Protease Inhibitor

    Uses
    • It is used to treat HIV infection.
    • Fosamprenavir works to harm the virus and fight the infection.

    Dosing

    How to take

    • All products:
    • Use as you have been told, even if you are feeling better.
    • Tablet:
    • Take with or without food. Take with food if it causes an upset stomach.
    • If taking this drug with ritonavir, take with food.
    • Avoid taking this drug with high-fat meals.
    • Suspension:
    • Take on an empty stomach. Take 1 hour before or 2 hours after meals.
    • Shake well before use.
    • If you throw up within 30 minutes of taking this drug, take 1 more dose.

    Missed Dose

    • Take a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not take 2 doses at the same time or extra doses.
    • Do not change the dose or stop this drug. Talk with the doctor.

    Storage

    • Store tablets at room temperature.
    • Protect tablets from water. Do not store in a bathroom or kitchen.
    • Store liquid (suspension) at room temperature or in a refrigerator. Do not freeze.

    Safety



    Warnings

    • Unsafe side effects may happen. This drug cannot be taken while you are taking some other drugs. Check all the drugs you are taking with your doctor.

    Avoid

    • If you have an allergy to fosamprenavir, amprenavir, or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
    • If you have a sulfa (sulfonamide) allergy, talk with your doctor.
    • Telzir®: If you have very bad liver disease.

    Precautions

    • Do not run out of this drug.
    • If you have hemophilia, talk with your doctor.
    • If you have high blood sugar (diabetes), this drug may sometimes raise blood sugar. Talk with your doctor about how to fine tune this.
    • If you have high cholesterol, talk with your doctor.
    • If you have liver disease, talk with your doctor.
    • Have your blood work checked often. Talk with your doctor.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Avoid beer, wine, or mixed drinks.
    • To protect from diseases caused by having sex, use a latex condom.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Use birth control that you can trust to stop pregnancy in HIV disease.
    • Do not use a hormone-related kind of birth control.
    • Do not breast-feed if you have HIV disease and live in the U.S.

    Side Effects

    • High blood sugar may cause diabetes while on this drug. This most often goes back to normal when this drug is stopped.
    • High triglyceride level.
    • Headache.
    • Belly pain or heartburn.
    • Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Loose stools.
    • Feeling tired or weak.
    • Change in body fat.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Chest pain or pressure or a fast heartbeat.
    • Very upset stomach or throwing up.
    • Very loose stools.
    • Pain when passing urine or blood in urine.
    • Pain in side.
    • More trips to the bathroom, more thirst, or weight loss.
    • Back pain, belly pain, or blood in the urine. May be signs of a kidney stone.
    • Any rash.
    • Health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)


    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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