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2. 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]

3. Antimicrobial spectrum - Wikipedia

   en.wikipedia.org/wiki/Antimicrobial_spectrum

   Narrow-spectrum antibiotics have low propensity to induce bacterial resistance and are less likely to disrupt the microbiome (normal microflora). [3] On the other hand, indiscriminate use of broad-spectrum antibiotics may not only induce the development of bacterial resistance and promote the emergency of multidrug-resistant organisms, but also cause off-target effects due to dysbiosis.

4. List of antibiotics - Wikipedia

   en.wikipedia.org/wiki/List_of_antibiotics

   The following is a list of antibiotics. The highest division between antibiotics is bactericidal and bacteriostatic . Bactericidals kill bacteria directly, whereas bacteriostatics prevent them from dividing.

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. Tetracycline antibiotics - Wikipedia

   en.wikipedia.org/wiki/Tetracycline_antibiotics

   Skeletal formula of tetracycline with atoms and four rings numbered and labeled.. Tetracyclines are a group of broad-spectrum antibiotic compounds that have a common basic structure and are either isolated directly from several species of Streptomyces bacteria or produced semi-synthetically from those isolated compounds. [1]

7. Broad-spectrum therapeutic - Wikipedia

   en.wikipedia.org/wiki/Broad-spectrum_therapeutic

   A broad-spectrum therapeutic or broad-spectrum antibiotics is a type of antimicrobial active against multiple types of pathogens, such as an antibiotic that is effective against both bacteria and viruses. [1] The opposite of a broad-spectrum drug is a narrow-spectrum therapeutic, which only treats a specific or very similar set of pathogens.

8. Penicillin - Wikipedia

   en.wikipedia.org/wiki/Penicillin

   This group of antibiotics is called "broad-spectrum" because they are active against a wide range of Gram-negative bacteria such as Escherichia coli and Salmonella typhi, for which penicillin is not suitable. However, resistance in these organisms is now common. Ampicillin; Amoxicillin

9. β-Lactam antibiotic - Wikipedia

   en.wikipedia.org/wiki/Β-Lactam_antibiotic

   β-Lactam antibiotics are indicated for the prevention and treatment of bacterial infections caused by susceptible organisms. At first, β-lactam antibiotics were mainly active only against gram-positive bacteria, yet the recent development of broad-spectrum β-lactam antibiotics active against various gram-negative organisms has increased their usefulness.