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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]
Antibiotics by class Generic name Brand names Common uses [4] Possible side effects [4] Mechanism of action Aminoglycosides; Amikacin: Amikin: Infections caused by Gram-negative bacteria, such as Escherichia coli and Klebsiella particularly Pseudomonas aeruginosa. Effective against aerobic bacteria (not obligate/facultative anaerobes) and ...
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.
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 ...
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.
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]
Amoxicillin was the most prescribed antibiotic in the country in 2021, with 129 prescriptions filled per 1,000 people, CDC data shows. Antibiotics like amoxicillin are 42% more likely to be in ...
Recently, vets have been prescribing a very potent, broad-spectrum antibiotic called chloramphenicol. It’s something that is only being used in severe cases of the unknown respiratory illness ...