Fluconazole as a single dose is used for the treatment of mild to moderate yeast infections. It is well tolerated and taken as a single dose one time.  

Metronidazole is used for the treatment of bacterial vaginosis, a condition characterized by yellow discharge and a strong odor, and certain sexually transmitted infections. Alcohol consumption must be avoided during treatment and for 72 hours after to prevent strong adverse reactions, including severe vomiting, headache, and flushing. 

Metronidazole vaginal gel is used for the treatment of bacterial vaginosis, a condition characterized by a thin gray-white discharge with a fishy-smelling odor. Alcohol consumption must be avoided during treatment and for 72 hours after to prevent strong adverse reactions, including severe vomiting, headache, and flushing.

Terconazole is a prescription-strength antifungal cream used to treat vaginal yeast infections. Terconazole helps to alleviate burning, itching and discharge that is associated with the infection.