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2. Extended-spectrum penicillin - Wikipedia

   en.wikipedia.org/wiki/Extended-spectrum_penicillin

   The extended-spectrum penicillins are a group of antibiotics that have the widest antibacterial spectrum of all penicillins. [1] Some sources identify them with antipseudomonal penicillins, [2] others consider these types to be distinct. [3] This group includes the carboxypenicillins and the ureidopenicillins.

3. Antimicrobial spectrum - Wikipedia

   en.wikipedia.org/wiki/Antimicrobial_spectrum

   The antimicrobial spectrum of an antibiotic means the range of microorganisms it can kill or inhibit. Antibiotics can be divided into broad-spectrum antibiotics , extended-spectrum antibiotics and narrow-spectrum antibiotics based on their spectrum of activity.

4. Cephalosporin - Wikipedia

   en.wikipedia.org/wiki/Cephalosporin

   Gram-negative: Third-generation cephalosporins have a broad spectrum of activity and further increased activity against gram-negative organisms. They may be particularly useful in treating hospital-acquired infections, although increasing levels of extended-spectrum beta-lactamases are reducing the clinical utility of this class of antibiotics.

5. List of β-lactam antibiotics - Wikipedia

   en.wikipedia.org/wiki/List_of_β-lactam_antibiotics

   The β-lactam core structures. (A) A penam.(B) A carbapenam.(C) An oxapenam.(D) A penem.(E) A carbapenem.(F) A monobactam.(G) A cephem.(H) A carbacephem.(I) An oxacephem. This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class.

6. What everyone should know about antibiotics, according ... - AOL

   www.aol.com/lifestyle/everyone-know-antibiotics...

   Antibiotics are some of the most powerful tools in medicine. They’re prescribed to treat a variety of infections caused by bacteria, such as urinary tract infections, most ear infections, strep ...

7. Broad-spectrum antibiotic - Wikipedia

   en.wikipedia.org/wiki/Broad-spectrum_antibiotic

   A colored electron microscopy image of methicillin-resistant staphylococcus aureus (), a bacterium commonly targeted by broad-spectrum antibioticsA broad-spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, Gram-positive and Gram-negative, [1] or any antibiotic that acts against a wide range of disease-causing bacteria. [2]

8. Antibiotic use does not increase dementia risk, study suggests

   www.aol.com/antibiotic-does-not-increase...

   Using antibiotics is linked to disturbance of the gut microbiome, which may have effects on cognitive function. However, a new study may help reassure older adults who are concerned about taking ...

9. Beta-lactamase - Wikipedia

   en.wikipedia.org/wiki/Beta-lactamase

   ESBLs are beta-lactamases that hydrolyze extended-spectrum cephalosporins with an oxyimino side chain. These cephalosporins include cefotaxime, ceftriaxone, and ceftazidime, as well as the oxyimino-monobactam aztreonam. Thus ESBLs confer multi-resistance to these antibiotics and related oxyimino-beta lactams. In typical circumstances, they ...