An antibiotic, is defined to be a drug produced by certain microbes. Most doctors use to help fight the germs in a patient. are obtained from plants, fungi, air, water, soil, just about anything on earth. kill and attack the germ or virus in the body, but do not hurt the human cells, ordinarily. The antibiotics are used to treat many various types of diseases, such as tuberculosis, syphilis, and several kinds of infections. People have been using antibiotics for more than 2,500 years. They used molds to help cure some skin infections and ....