Focinvez

Generic name: fosaprepitant [ FOS-a-PRE-pi-tant ]
Brand names: Emend for Injection, Focinvez
Drug class: NK1 receptor antagonists

Medically reviewed by Drugs.com on Jun 6, 2024. Written by Cerner Multum.

What is Focinvez?

Focinvez is used together with other medications to prevent nausea and vomiting that may be caused by chemotherapy in adults and children at least 6 months old who weigh at least 6 kg (13 pounds).

Focinvez is not used to treat nausea and vomiting that you already have.

Focinvez may also be used for purposes not listed in this medication guide.

Focinvez side effects

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Some side effects may occur during the injection. Tell your medical caregiver if you feel dizzy, nauseated, light-headed, itchy, sweaty, or have a headache, chest tightness, back pain, trouble breathing, or swelling in your face.

Focinvez may cause serious side effects. Call your doctor at once if you have:

• pain, redness, swelling, burning, blistering, or skin changes where the medicine was injected; or

• a light-headed feeling, like you might pass out; or

• fast or slow heart rate.

Common side effects of Focinvez may include:

• feeling weak or tired;

• fever;

• low blood cell counts;

• urinary tract infection;

• stomach pain or upset;

• diarrhea; or

• pain, weakness, or numbness in your arms or legs.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Warnings

Tell your doctor about all your other medicines. Some drugs should not be used with Focinvez.

Before taking this medicine

You should not use Focinvez if you are allergic to Focinvez or similar medicines such as aprepitant.

Some drugs should not be used with Focinvez. Your treatment plan may change if you also use pimozide.

Tell your doctor if you have ever had:

• to use a blood thinner (or a medicine called warfarin) and you have routine "INR" or prothrombin time tests; or

• liver disease.

It is not known if Focinvez will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

Ask a doctor if it is safe to breastfeed while using this medicine.

Focinvez can make hormonal birth control less effective, including birth control pills, injections, implants, skin patches, and vaginal rings. Use barrier birth control to prevent pregnancy: condom, diaphragm, cervical cap, or contraceptive sponge.

Ask your doctor about the best form of birth control while you are using Focinvez. Keep using the barrier form of birth control for 1 month after your last dose.

How is Focinvez given?

Focinvez is given as an infusion into a vein. A healthcare provider will give you this injection.

Focinvez is not for long-term use.

Focinvez is usually given on the first day of chemotherapy treatment.

Tell your medical caregivers if you feel any burning or pain when Focinvez is injected.

You may be given other medications to further help prevent nausea and vomiting.

You may need blood tests after receiving Focinvez if you also take a blood thinner called warfarin.

What happens if I miss a dose?

In a medical setting you are not likely to miss a dose of Focinvez.

What happens if I overdose?

In a medical setting an overdose would be treated quickly.

What should I avoid while receiving Focinvez?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What other drugs will affect Focinvez?

Sometimes it is not safe to use certain medicines at the same time. Some drugs can affect your blood levels of other drugs you use, which may increase side effects or make the medicines less effective.

Many drugs can affect Focinvez. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.

Frequently asked questions

• What is the difference between Cinvanti and Emend?

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

Copyright 1996-2024 Cerner Multum, Inc. Version: 13.01.