SS-A (Ro)

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Anti-Ro/SSA antibodies are autoantibodies detected against extractable nuclear which are associated with systemic lupus erythematosus (SLE) and Sjögren’s syndrome (SS). Their presence is used for diagnosis and classification of SS.

What is SS-A (Ro) test?

The test is used to diagnose Sjogren’s Syndrome. Anti-SS-A (also called Ro) and Anti-SS-B (also called La) are the antibodies specific to SS. However, a single test cannot diagnose SS. early diagnosis is important to lessen the effect of Sjogren’s syndrome on eyes and other organs.

Why is SS-A (Ro) test suggested?

The doctor suggests the test for SS in case the person suffers from chronic fatigue and fever involving skin, joints, kidney, throat, nerves and salivary glands. Mucus membranes may also become abnormally dry. Other symptoms include-

  • Dry cough.
  • Muscle pain.
  • Vaginal dryness.
  • Dry gritty eyes.
  • Irritable bowel.
  • Recurrent bronchitis or pneumonia.
How is SS-A (Ro) test performed?

The blood test is performed by collecting the sample from a vein in the arm.

What are the parameters measured in SS-A (Ro) test?

The test looks for the presence of Anti-SS-A(Ro) and Anti-SS-B(La) antibodies in the blood. The test is performed on an ENA panel and is often positive.

Preparation before performing SS-A (Ro) test.

No prior preparation is needed before the blood test.

Post care after SS-A (Ro) test.

SS cannot be cured. Care needs to be taken depending on the severity of symptoms which aims at minimizing damage or complications to tissues, such as the surface of eye. Sjogren Syndrome affects different people differently and hence it is very important to discuss the treatment plan with your doctor thoroughly.


Side effects/risks of SS-A (Ro) test?

The test does not have any specific side effects/ risks.

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