Sjogren's syndrome is an autoimmune chronic disease. It has two forms Primary Sjogren's syndrome charactrized by dry eyes and dry mouth. Secondary Sjogren's syndrome characterized by rheumatoid diseases as rheumatoid arthritis, scleroderma and lupus erythematosus. SS patients are most liable to oral candidiasis , so they need prophylaxis aganist oral candidiasis. Probiotic bacteria are live microorganisms that when administered in adequate amounts confer benefits to health.Probiotics are commonly used as a prophylaxis aganist oral candidosis.

Inclusion Criteria:

• primary or scondary Sjogren's syndrome

Exclusion Criteria:

• allergy to milk derivatives previous intake of antifungals