Probiotic use in adults with cystic fibrosis is common and influenced by gastrointestinal health needs: A cross-sectional survey study.

Probiotics were used by adults with CF for gastrointestinal- and antibiotic-related reasons often without informing clinicians and despite uncertainty about perceived helpfulness. Further research investigating gastrointestinal outcomes of probiotics will inform practice recommendations guiding their use in CF and other chronic diseases.