Generic Flagyl is an antibiotic. It is used to treat bacterial infections of the vagina, skin, bone and joint, respiratory tract and gastrointestinal infections. METRONIDAZOLE (an active ingredient) is an antiinfective. But it will not work for colds, flu, or other viral infections, also this medication will not treat a vaginal yeast infection.
Generic Levaquin is in a group of antibiotics called fluoroquinolones. It is used to treat bacterial infections that cause bronchitis, pneumonia, chlamydia, gonorrhea, skin infections, urinary tract infections, etc. It will not work for colds, the flu, or other viral infections.