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  2. Cefalexin - Wikipedia

    en.wikipedia.org/wiki/Cefalexin

    Cefalexin, also spelled cephalexin, is an antibiotic that can treat a number of bacterial infections. [4] It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall. [ 4 ]

  3. Cephalosporin - Wikipedia

    en.wikipedia.org/wiki/Cephalosporin

    cephalexin: Keflex: H V: Gram-positive: Activity against penicillinase-producing, methicillin-susceptible staphylococci and streptococci (though they are not the drugs of choice for such infections). No activity against methicillin-resistant staphylococci or enterococci. [citation needed]

  4. 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.

  5. What everyone should know about antibiotics, according ... - AOL

    www.aol.com/lifestyle/everyone-know-antibiotics...

    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 ...

  6. 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.

  7. List of β-lactam antibiotics - Wikipedia

    en.wikipedia.org/wiki/List_of_β-lactam_antibiotics

    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.

  8. 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.

  9. Antibiotic - Wikipedia

    en.wikipedia.org/wiki/Antibiotic

    Common forms of antibiotic misuse include excessive use of prophylactic antibiotics in travelers and failure of medical professionals to prescribe the correct dosage of antibiotics on the basis of the patient's weight and history of prior use. Other forms of misuse include failure to take the entire prescribed course of the antibiotic ...