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limited spectrum antibiotics? with eg.

1. Antibiotics effective against 
procaryotes that kill or inhibit a wide range of Gram-positive and Gram-negative bacteria not only one family are said to be broad spectrum.


2. Antibiotic effective mainly against specific families of bacteria Gram-positive or Gram-negative bacteria, they are narrow spectrum.

is a broad spectrum antibiotic.

Cilindamycin :

ChemSpider 2D Image | Clindamycin | C18H33ClN2O5S

 

Now if some antibiotic is only effective against a single organism or disease,that is called as limited spectrum antibiotics
Example :
Beta-lactams (penicillins and cephalosporins)
 

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limited spectrum antibiotics are designed to kill a specific group of pathogens.Eg Pencillin

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Antibiotics may be defined as the sub-group of anti-infective that are derived from bacterial sources and are used to treat bacterial infections.An antibiotic may be classified basically as "narrow-spectrum" or "broad-spectrum" depending on the range of bacterial types that it affects. Narrow-spectrum antibiotics are active against a selected group of bacterial types. Broad-spectrum antibiotics are active against a wider number of bacterial types and, thus, may be used to treat a variety of infectious diseases.1USES OF NARROW SPECTRUM ANTIBIOTICS:2Narrow spectrum antibiotics are used for the specific infection when the causative organism is known.ADVANTAGES OF NARROW SPECTRUM ANTIBIOTICS:2

  • The narrow-spectrum antibiotic will not kill as many of the normal microorganisms in the body as the broad spectrum antibiotics. So, It has less ability to cause superinfection.
  • The narrow spectrum antibiotic will cause less resistance of the bacteria as it will deal with only specific bacteria.

DISADVANTAGES OF NARROW SPECTRUM ANTIBIOTICS:

  • Narrow spectrum antibiotics can be used only if the causative organism is identified.
  • If you don't choose the drug very carefully, the drug may not actually kill the microorganism causing the infection.

NARROW SPECTRUM ANTIBIOTICS:

  • Azithromycin
  • Clarithromycin
  • Clindamycin
  • Erythromycin
  • Vancomycin
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