HelpDesk AnswersDo probiotics decrease the incidence and symptoms of recurrent vaginal yeast infections?Talbert, Dawn DO; Minchow-Proffitt, Sandra MD Author Information Mercy Hospital-Saint Louis FMRP St. Louis, MO Evidence-Based Practice 18(3):p E1-E2, March 2015. | DOI: 10.1097/01.EBP.0000540926.02721.3d Buy Metrics Abstract Evidence-Based Answer Maybe. Probiotic vaginal suppositories and oral Lactobacillus supplements may decrease recurrent vaginal yeast infections. Lactobacillus-containing yogurt has had mixed results (SOR: C, small RCTs with inconsistent results). © Copyright 2015 Family Physicians Inquiries Network, Inc.