The discovery of penicillin in 1928 and sulfanilamide drugs in the 1930s played a major role in treating bacterial diseases and in the creation of today's pharmaceutical industry. These chemical agents, called antibiotics, saved many lives...

Penicillin Overview The penicillins (pen-uh-SILL-ins) are a class of antibiotic compounds derived from the molds Penicillium notatum and Penicillium chrysogenum. The class contains a number of compounds with the same basic bicyclic structure to which...

One of the major advances of twentieth-century medicine is the discovery of penicillin. Penicillin is a member of the class of drugs known as antibiotics. These drugs either kill (bacteriocidal) or arrest the growth of (bacteriostatic) bacteria, fungi...

One of the major advances of twentieth-century medicine was the discovery of penicillin. Penicillin is a member of the class of drugs known as antibiotics. These drugs either kill or arrest (bacteriocidal or bacteriostatic effects, respectively) the...

The discovery of penicillin may be one of the greatest accidents in medical history. Penicillin, found in common molds, is a potent antibacterial medication. Its discovery opened the door to a variety of new "miracle drugs" that have saved the lives of...

The discovery of penicillin may be one of the greatest accidents in medical history. Penicillin, found in common molds, is a potent antibacterial medication. Its discovery opened the door to a variety of new "miracle drugs" that have saved the lives of...

Penicillins are one of a group of antibiotics that kill bacteria or prevent their growth. There are several types of penicillins, each used to treat different kinds of infections, such as skin, dental, ear, respiratory tract, urinary tract, and other...

Antibiotic derived from the Penicillium mold. It was discovered in 1928 by Alexander Fleming; by 1940, Howard Walter Florey, Ernst Boris Chain, and others had produced commercial quantities that proved vital to the treatment of war casualties, making...

Penicillin (sometimes abbreviated PCN) is a group of beta-lactam antibiotics used in the treatment of bacterial infections caused by susceptible, usually Gram-positive, organisms. “Penicillin” is also the informal name of a specific member of the...