Hylenex

Generic Name: hyaluronidase (injectable) (HYE al ure ON i dase)
Brand Name: Amphadase, Hylenex, Vitrase

What is Hylenex?

Hylenex (hyaluronidase) is a genetically designed protein.

Hylenex is used together with fluids injected into the body to treat dehydration. Hyaluronidase can also be used as an aid in helping your body absorb other injected medications.

Hylenex is also used to help contrast dyes in your body show more clearly on certain types of x-rays or scans.

Important information

Serious drug interactions can occur when certain medicines are used together with Hylenex. Tell your doctor about all your current medicines.

Before receiving Hylenex, tell your doctor if you are using any of the following drugs: furosemide (Lasix); phenytoin (Dilantin); a sedative or anxiety medication (such as Valium, Xanax, Tranxene); aspirin or salicylates; cortisone or ACTH (Corticotropin); estrogens; or an antihistamine (such as a cold or allergy medicine).

Your doctor may perform a skin test before using Hylenex to see if you are allergic to hyaluronidase.

Before receiving this medicine

You should not be treated with Hylenex if you are allergic to hyaluronidase.

Your doctor may perform a skin test to see if you are allergic to hyaluronidase before you receive the medication.

Some medicines can cause unwanted or dangerous effects when used with Hylenex. Your doctor may need to change your treatment plan if you use any of the following drugs:

• furosemide (Lasix);

• phenytoin (Dilantin);

• a sedative or anxiety medication (such as diazepam, lorazepam, alprazolam, Valium, Xanax, Ativan, Tranxene, and others);

• aspirin or salicylates;

• cortisone or ACTH (Corticotropin);

• estrogens; or

• an antihistamine (such as a cold or allergy medicine).

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

It is not known whether hyaluronidase passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

How is Hylenex given?

Hylenex is injected under the skin, into a muscle, or into other tissues of the body.

A healthcare provider will give you this injection.

Hylenex should not be injected into a vein (as an intravenous injection).

What happens if I miss a dose?

Because you will receive Hylenex in a clinical setting, you are not likely to miss a dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid after receiving Hylenex?

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

Hylenex side effects

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

Common Hylenex side effects may include:

• pain, itching, or redness where the injection was given; or

• swelling in your hands, feet, or body areas.

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.

See also: Side effects (in more detail)

What other drugs will affect Hylenex?

Other drugs may interact with hyaluronidase, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

• Your doctor or pharmacist can provide more information about Hylenex injection.

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• Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Hylenex only for the indication prescribed.
• Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2016 Cerner Multum, Inc. Version: 5.01. Revision Date: 2016-03-07, 10:23:39 AM.