Immunoglobulins: What Affects The Test


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What Affects the Test


Reasons you may not be able to have the test or why the results may not be helpful include:

  • Taking medicines, such as hydralazine, phenylbutazone, birth control pills, anticonvulsants (such as phenytoin), methotrexate, aminophenazone, asparaginase, or corticosteroids.
  • Having cancer treatments, both radiation and chemotherapy.
  • Receiving a blood transfusion in the past 6 months.
  • Getting vaccinations (immunizations), especially vaccinations with repeat (booster) doses, in the past 6 months.
  • Using alcohol or illegal drugs.
  • Having a radioactive scan in the past 3 days.


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Last updated: August 19, 2008
Author: Maria G. Essig, MS, ELS
Reviewed By: Kathleen Romito, MD - Family Medicine, Brian Leber, MDCM, FRCPC - Hematology
Editors: Susan Van Houten, RN, BSN, MBA, Tracy Landauer

This information is not intended to replace the advice of a doctor. By using AOL Body, you indicate that you have read, understood, and agreed to our Terms of Service, and AOL Body Advertising Policy. Read more about our content partners.

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