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A colored electron microscopy image of methicillin-resistant staphylococcus aureus , a bacterium commonly targeted by broad-spectrum antibiotics. A 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 ...
Amoxicillin is an antibiotic medication belonging to the aminopenicillin class of the penicillin family. ... (a broad-spectrum antibiotic) ...
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.
The following is a list of antibiotics. ... negative organisms and therefore useful for empiric broad-spectrum antibacterial coverage. ... narrow-spectrum than ...
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.
This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class. Antibiotics are listed alphabetically within their class or subclass by their nonproprietary name. If an antibiotic is a combination drug, both ingredients will be listed.
However, selection of an empirical antibiotic should be based on local or regional susceptibility data. [15] Additionally, selection of the most appropriate and narrowest effective antibiotic is recommended to help limit increased antibiotic resistance to broad-spectrum antibiotics. [15]
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