Antibiotics are drugs used to fight many infections caused by bacteria. Some antibiotics are effective against only certain types of bacteria; others can effectively fight a wide range of bacteria. Antibiotics do not work against viral infections.
Bacterial Vaginosis (BV): the most common vaginal infection in women of childbearing age, which happens when the normal bacteria (germs) in the vagina get out of balance, such as from douching or from sexual contact. Symptoms include vaginal discharge that can be white, gray, or thin and have an odor; burning or pain when urinating; or itching around the outside of the vagina. There also may be no symptoms.