Diagnosis can be challenging due to variable symptoms and similar to other conditions. Blood tests check for blood cell levels and antibodies. Schirmer tear test measures eye dryness. Imaging tests evaluate salivary gland function. Lip biopsy may reveal inflammatory cell clusters
Autoimmune disease causing dryness of eyes and mouth. White blood cells attack tear and salivary glands. Genetic factors play significant role, more common in females. Can be primary (without other connective tissue disease) or secondary