Foscavir (Foscarnet Sodium Injection) Patient Information: How Should I Take the Drug at RxList

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May 27, 2012

Foscavir

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Foscavir

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Foscavir Patient Information including How Should I Take

What should I discuss with my health care provider before using foscarnet (Foscavir)?

Do not use this medication if you are allergic to foscarnet.

Before using foscarnet, tell your doctor if you are allergic to any drugs, or if you have:

kidney disease;
epilepsy or other seizure disorder;
a history of head injury or brain tumor;
heart disease;
a nerve disorder;
low levels of calcium, magnesium, or potassium in your blood; or
any other type of electrolyte imbalance.

If you have any of these conditions, you may not be able to use foscarnet, or you may need dosage adjustments or special tests during treatment.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether foscarnet passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How is foscarnet given (Foscavir)?

Foscarnet is given as an injection through a needle placed into a vein. The medicine must be given slowly through an IV infusion pump, and can take up to 2 hours to complete.

You may be given instructions on how to inject your medicine at home. Do not use this medicine at home if you do not fully understand how to give the injection and properly dispose of needles and other items used in giving the medicine.

With each foscarnet injection, you may be given IV fluids to keep you from getting dehydrated.

Foscarnet is usually given for 2 to 3 weeks. Your doctor may occasionally change your dose to make sure you get the best results from this medication.

You may need to mix foscarnet with a liquid (diluent) before using it. If you are using the injections at home, be sure you understand how to properly mix and store the medication.

Foscarnet should be clear and colorless. Do not use the medication if it has changed colors or has any particles in it. Call your doctor for a new prescription.

To be sure this medication is not causing harmful effects, your blood will need to be tested on a regular basis. Your kidney function may also need to be tested, and you may also need regular eye exams. Do not miss any scheduled visits to your doctor.

Store foscarnet at room temperature away from very hot or very cold temperature.

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