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Amphadase® is a preparation of purified bovine testicular hyaluronidase, a protein enzyme. The exact chemical structure of this enzyme is unknown. However, the amino acid sequence for the primary structure of the enzyme has been deduced from the sequence of purified peptides. Amphadase® (hyaluronidase injection) is supplied as a sterile, clear, colorless, ready for use solution. Each vial contains 150 USP units of hyaluronidase per mL with 8.5 mg sodium chloride, 1 mg edetate disodium, 0.4 mg calcium chloride, monobasic sodium phosphate buffer, and not more than 0.1 mg thimerosal (mercury derivative).
Amphadase® has an approximate pH of 6.8 and an osmolality of 295 to 355 mOsm.
What are the possible side effects of hyaluronidase (Amphadase, Hylenex, Vitrase)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Less serious side effects may include pain, itching, redness, or swelling where the medication was injected.
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...
Last reviewed on RxList: 8/10/2012
This monograph has been modified to include the generic and brand name in many instances.
Additional Amphadase Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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