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Diagnosis

A physician usually diagnoses Raynaud's based on the patient's description of symptoms.

If other symptoms also are present, blood tests and other procedures may be done to check for other diseases.

More testing also is needed if symptoms are not typical, such as:

  • Only one finger being affected

  • Only one hand being affected

  • Color changes that seem permanent.

These atypical symptoms would be unusual for Raynaud's. They could indicate another problem with circulation.

Careful examination of the nail beds (the skin near the fingernail farthest from the fingertip) may show changes in the blood vessels. These changes may suggest an underlying rheumatic condition such as scleroderma.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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