Inclusion Criteria:  Ability to consent in English Current symptomatic bacterial vaginosis infection History of at least 2 previous episodes of bacterial vaginosis in the past year  Exclusion Criteria:  Current gynecologic infection or condition, including candida vaginitis, gonorrhea, chlamydia, trichomonas, desquamative inflammatory vaginitis, atrophic vaginitis. Pre-existing heart conditions Pre-existing neurological conditions Currently Pregnant or breastfeeding Women taking anticoagulants, lithium, metoclopramide, or disulfiram therapy Hypersensitivity to secnidazole or other drugs in the same class.