What Is The Differance Between Wide Spectrum And Narrow Spectrum Antibiotic?


What is the difference between narrow and broad spectrum?

Broad spectrum antibiotics act against multiple strains and forms of different bacteria which share common structures and metabolic functions that can be attacked and affected to kill them. Narrow spectrum antibiotics are more specific in their course and act against only certain bacteria as a more targeted approach.

Why is it better to use narrow spectrum antibiotics?

Advantages. Narrow – spectrum antibiotic allow to kill or inhibit only those bacteria species that are unwanted (i.e. causing disease). As such, it leaves most of the beneficial bacteria unaffected, hence minimizing the collateral damage on the microbiota. Low propensity for bacterial resistance development.

What is meant by broad spectrum antibiotic and narrow spectrum antibiotics?

A broad – spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, Gram-positive and Gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria. This is in contrast to a narrow – spectrum antibiotic, which is effective against only a specific group of bacteria.

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What is meant by narrow spectrum antibiotics?

Medical Definition of narrow – spectrum: effective against only a limited range of organisms narrow – spectrum antibiotics effective only against gram-negative bacteria — compare broad – spectrum.

What is the most broad spectrum antibiotic?

Ciprofloxacin. Best use of this new broad – spectrum antibiotic.

Is Penicillin a broad or narrow spectrum?

Examples of narrow – spectrum antibiotics are the older penicillins (penG), the macrolides and vancomycin. Examples of broad – spectrum antibiotics are the aminoglycosides, the 2nd and 3rd generation cephalosporins, the quinolones and some synthetic penicillins.

What are side effects of broad spectrum antibiotics?

Broad – spectrum antibiotics can lead to a dangerous form of diarrhea, called “C. diff.” It can require removal of the bowel. It kills about 15,000 people in the U.S. each year. Antibiotics can also cause other side effects, such as vaginal infections, nausea, and vomiting.

Which of the following is an example of narrow spectrum antibiotic?

Examples of narrow – spectrum antibiotics include vancomycin, fidaxomicin, and sarecycline. Complete answer: Benzylpenicillin (Penicillin G) is a narrow spectrum antibiotic used for the treatment of susceptible bacterial infections.

Is amoxicillin a broad spectrum or narrow spectrum antibiotic?

Amoxicillin is considered a broad – spectrum antibiotic, and is effective against the following organisms: b-lactamase-negative) strains of Streptococcus spp.

What are examples of broad spectrum antibiotics?

Common examples of broad – spectrum antibiotics include azithromycin, amoxicillin, tetracycline, and quinolones. The most common narrow – spectrum antibiotics include glycopeptides and bacitracin for treatment of Gram-positive infections and polymixins for the treatment of Gram-negative bacterial infections [18].

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Which is not a broad spectrum antibiotic?

Penicillin is not a broad – spectrum antibiotic because it has a narrow spectrum and is used to treat only certain infections caused by the streptococci and staphylococci bacteria such as pneumonia.

Is kanamycin a broad spectrum antibiotic?

Kanamycin A is similar to streptomycin and neomycines, and it possesses a broad spectrum of antimicrobial action. It is active with respect to most Gram-positive and Gram-negative microorganisms (staphylococci, colon bacillus, klebisella, Fridlender’s bacillus, proteus, shigella, salmonella).

When would you use a narrow spectrum antibiotic?

Narrow spectrum antibiotics are used for the specific infection when the causative organism is known and 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.

How does a narrow spectrum antibiotic work?

Narrow – spectrum antibiotics are more specific and only active against certain groups or strains of bacteria. Broad – spectrum antibiotics instead inhibit a wider range of bacteria. Narrow – spectrum antibiotics are to prefer since the effect on other, non-disease causing bacteria are more limited.

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