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Penicillin

Penicillin (sometimes abbreviated PCN or pen) is a group of antibiotics derived from Penicillium fungi. Penicillin antibiotics are historically significant because they were the first drugs that were effective against many previously serious diseases such as syphilis and Staphylococcus infections. Penicillins are still widely used today, though many types of bacteria are now resistant. All penicillins are Beta-lactam antibiotics and are used in the treatment of bacterial infections caused by susceptible, usually Gram-positive, organisms.

The term "penicillin" can also refer to the mixture of substances that are naturally produced.

The term "penam" is used to describe the core skeleton of a member of a penicillin antibiotic. This skeleton has the molecular formula R-C9H11N2O4S, where R is a variable side chain.

This text uses material from Wikipedia and is available under the GNU Free Documentation License.


Azithromycin not tied to increased risk of CV death

(HealthDay)—The widely used antibiotic azithromycin (Zithromax or Zmax)—under scrutiny recently because it may increase the risk of death for those with existing heart disease—appears to be safe for ...

Diseases, Conditions, Syndromes created May 02, 2013 | popularity not rated yet | comments 0

Penicillin prevents return of leg infection called cellulitis

(HealthDay)—For people who have suffered from cellulitis of the leg, a long course of low-dose penicillin prevents the painful infection from returning, British researchers report.

Diseases, Conditions, Syndromes created May 02, 2013 | popularity not rated yet | comments 0 | with audio podcast

Antibiotic prescribing rates vary by region

(HealthDay)—The chances that your doctor will give you antibiotics when you're sick may be influenced by geography, new research reveals.

Medications created Apr 10, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Economic analysis finds penicillin, not 'the pill', may have launched the sexual revolution

(Medical Xpress)—The 1950s were not as prudish as they seemed on the surface, says economist Andrew Francis. 

Health created Jan 28, 2013 | popularity 5 / 5 (7) | comments 1 | with audio podcast

A potentially deadly reason to seek preventive health care

Emergency rooms are more crowded than ever, with more than 136 million people making a trip annually. According to a study presented at the American College of Allergy, Asthma and Immunology (ACAAI) 2012 Annual Scientific ...

Health created Nov 09, 2012 | popularity not rated yet | comments 0

New strep throat guidelines tackle antibiotic resistance

(HealthDay)—Doctors need to accurately diagnose and treat strep throat in order to avoid inappropriate use of antibiotics that can lead to drug-resistant bacteria, according to updated guidelines from the ...

Diseases, Conditions, Syndromes created Sep 10, 2012 | popularity 5 / 5 (1) | comments 0

Kids' penicillin allergy may not signal other drug reactions

(HealthDay) -- Children who are allergic to penicillin are not more likely than other kids to develop additional drug allergies, new research suggests.

Inflammatory disorders created Mar 08, 2012 | popularity not rated yet | comments 0

Medical tattoos offer important health information

(AP) -- Tattoos have long served as fashion statements, but a small number of Americans are now relying on them for a more practical, potentially lifesaving purpose: to warn first responders about important ...

Other created Feb 27, 2012 | popularity not rated yet | comments 0

Guatemala finds 5 who survived deadly US research

The Guatemalan government said Tuesday it has tracked down five survivors from a deadly US government research project on sexually transmitted diseases that killed scores of its people. ...

Other created Aug 30, 2011 | popularity 5 / 5 (3) | comments 0

Study: Medications in NYC water not a health risk

(AP) -- Tiny amounts of pharmaceuticals and personal care products detected in the drinking water of the nation's biggest city continue to pose no public health risks to residents, environmental officials said Friday.

Health created Aug 20, 2011 | popularity not rated yet | comments 0