The great modern advances in chemotherapy have come from the chance discovery that many microorganisms synthesize and excrete compounds that are selectively toxic to other microorganisms. These compounds are called antibiotics and have revolutionized...

Antibiotics are natural or synthetic compounds that kill bacteria. There are a myriad of different antibiotics that act on different structural or biochemical components of bacteria. Antibiotics have no direct effect on virus. Prior to the discovery of...

Antibiotic drugs (frequently referred to as antibiotics) are substances, usually obtained from microorganisms, that inhibit the growth of or destroy other microorganisms, particularly bacteria. Synthetic antibiotics also exist but the majority are...

Antibiotics are medicines that are lethal to bacteria that cause infections. Antibiotics have been used since the 1930s to treat or prevent a wide variety of infections. Prior to the advent of antibiotics, there were few effective ways of combating...

An antibiotic is a chemotherapeutic agent that inhibits or abolishes the growth of micro-organisms, such as bacteria, fungi, or protozoans. The term originally referred to any agent with biological activity against living organisms; however,...

   Antimicrobials have transformed our ability to treat many infectious diseases that were fatal only a few decades ago. The increasing use of antibiotics in humans, animals, and agriculture has resulted in many germs developing resistance to these powerful drugs. All major groups of pathogens...

Antibiotics are commonly prescribed for the majority of patients with sinus infections even though most cases are caused by a virus rather than bacteria, according to an analysis of treatments.The researchers say the findings are troubling because overuse of antibiotics is leading to more virulent...

Antibiotics in chicken feed have long been targeted by critics as a health issue, but a new study by Johns Hopkins University researchers says they also are a money-loser for poultry farmers.The study in this month's edition of the journal Public Health Reports is billed...

An antibiotic linked to rare reports of severe liver problems, including several deaths, will be subjected to new scrutiny by federal health advisers. The Food and Drug Administration has asked a panel of outside experts to discuss the overall risks...