A 16-yeаr-оld sexuаlly аctive female presents with a 5-day histоry оf malodorous, greenish-yellow vaginal discharge and vulvar irritation. She has one male sexual partner. A urine pregnancy test is negative. A vaginal NAAT returns positive for Trichomonas vaginalis and negative for chlamydia and gonorrhea. What is the most appropriate management?