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Adagen Side Effects

Generic Name: pegademase bovine

Medically reviewed by Last updated on May 12, 2020.

Note: This document contains side effect information about pegademase bovine. Some of the dosage forms listed on this page may not apply to the brand name Adagen.

For the Consumer

Applies to pegademase bovine: intramuscular solution

Side effects requiring immediate medical attention

Along with its needed effects, pegademase bovine (the active ingredient contained in Adagen) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking pegademase bovine:

Incidence not known

  • Back, leg, or stomach pains
  • bleeding gums
  • chills
  • dark urine
  • difficulty breathing
  • dizziness
  • fever
  • general body swelling
  • headache
  • loss of appetite
  • nausea or vomiting
  • nosebleeds
  • pain, warmth, or burning in the fingers, toes, and legs
  • pale skin
  • problems with vision or hearing
  • sore throat
  • unusual tiredness or weakness
  • yellowing of the eyes or skin

Side effects not requiring immediate medical attention

Some side effects of pegademase bovine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

For Healthcare Professionals

Applies to pegademase bovine: intramuscular solution


Rare (less than 0.1%): Antibody development


Postmarketing reports: Hemolytic anemia, autoimmune hemolytic anemia, thrombocythemia, thrombocytopenia, autoimmune thrombocytopenia[Ref]


Postmarketing reports: Lymphomas


Postmarketing reports: Urticaria[Ref]

Nervous system

Frequency not reported: Headache[Ref]


Frequency not reported: Injection site pain, injection site erythema


1. "Product Information. Adagen (pegademase bovine)." Enzon Inc, Piscataway, NJ.

More about Adagen (pegademase bovine)

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Further information

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

Some side effects may not be reported. You may report them to the FDA.