HealthWise KnowledgeBase
Antinuclear Antibodies (ANA)
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Taking medicine. Many medicines can change the results of this test. Be sure to tell your doctor about all the nonprescription and prescription medicines you take.
- A Reference virus Opens New Window. Viral illness can cause an ANA to be positive, and later turn back to normal.
| By: | Reference Healthwise Staff | Last Revised: Reference June 4, 2012 |
| Medical Review: | Reference Anne C. Poinier, MD - Internal Medicine
Reference Kathleen Romito, MD - Family Medicine |
|
© 1995-2011, Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.
