Inclusion Criteria:  Boys and girls aged 3-15 years Presence of symptoms suggesting possibility of Candida sp. presence in the stool Informed consent for participation in the study signed by parents/ legal caregivers and child 13+ years old.  Exclusion Criteria:  Chronic intestinal disease, immunodeficiency or immunosuppressive treatment. Chronic or acute diarrheal disease. Use of laxatives or antydiarrhoeal treatment within the week before inclusion in the study. Antibiotic treatment for the last four weeks before inclusion in the study. Intake of probiotic products for the last two weeks before inclusion in the study Known hypersensitivity to any of the ingredients in the probiotic product or the placebo (corn starch, magnesium stearate ± bacterial culture).