Warnings:

This medication is used only for cytomegalovirus (CMV) eye infections and acyclovir-resistant herpes infections.

Foscarnet may cause very serious kidney problems. Tell your doctor right away if you develop signs of kidney problems, such as a change in the amount of urine. Your doctor may need to adjust your dose.

This medication has caused seizures in some people due to changes in blood chemistry (minerals and electrolytes). Your doctor may prescribe additional minerals and/or electrolytes to prevent seizures.

It is important that you receive appropriate amounts of fluid (hydration) while using this medication.

Your doctor will monitor your blood and kidneys while you are using this medication.

Uses

This medication is used to control cytomegalovirus (CMV) eye infections (CMV retinitis) in persons with AIDS. This medication is an antiviral that works by stopping the growth of viruses. Controlling CMV retinitis can help decrease the risk of blindness from the infection. Foscarnet is sometimes combined with another antiviral drug, ganciclovir, when the CMV infection does not respond to either drug used alone for treatment.This medication is also used to treat herpes infections (HSV) that do not respond to treatment with acyclovir (acyclovir-resistant).This medication is not a cure for CMV or HSV diseases.

How to use Foscavir Bottle, Infusion

This medication is given by injection into a vein by a health care professional in a hospital or clinic setting. If you are using this medication at home, learn all preparation and usage instruction from your health care professional. If you have any questions about using this medication properly, consult your doctor or pharmacist.

Before using this product, check it visually for particles or discoloration. If either is present, do not use the liquid. It is usually infused slowly over 1 to 2 hours using an infusion pump. Infusing this medication too quickly can result in serious side effects. Do not mix with any other medications. When starting this medication, you will receive 2 to 3 doses per day for the first 2 to 3 weeks of treatment. This starting period is called "induction." Once induction is completed, you will then be given this medication usually once a day for the remainder of treatment. Dosage is based on your weight, kidney function, medical condition, and response to treatment.

To prevent kidney damage, it is important to drink plenty of fluids while using this medication. Fluids may be given by vein to make sure you get enough.

Antivirals work best when the amount of medicine in your body is kept at a constant level. Therefore, use this drug at evenly spaced intervals.

It is very important to continue using this medication exactly as prescribed by your doctor. Stopping treatment too soon may result in ineffective treatment.

Do not use more of this drug or infuse it more often or faster than prescribed by your doctor. Your condition will not improve faster, and you may experience side effects.

If skin contact occurs, flush with plenty of water. If irritation occurs, contact your doctor right away.

Learn how to store and discard needles, medical supplies, and any unused medication safely. Consult your pharmacist. Never reuse needles or syringes.

Drug Survey

Are you currently using Foscavir Bottle, Infusion?

This survey is being conducted by the WebMD marketing sciences department.

Free RX Coupon

Save up to 80% on your prescriptions.

Available coupons

Save up to 80% on your prescription with WebMDRx

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.