broad-spectrum antibiotic

antibiotic

[an″te-, an″ti-bi-ot´ik] 1. destructive of life.2. a chemical substance produced by a microorganism that has the capacity, in dilute solutions, to kill other microorganisms or inhibit their growth. Antibiotics that are sufficiently nontoxic to the host are used as chemotherapeutic agents in the treatment of infectious diseases. See also antimicrobial agent.antineoplastic a's (antitumor a's) a class of antineoplastic agents that apparently affect the function or the synthesis, or both, of nucleic acids and thus are cell cycle nonspecific. See also antineoplastic therapy.broad-spectrum antibiotic one that is effective against a wide range of bacteria, both gram-positive and gram-negative.β-lactam antibiotic any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a β-lactam ring.

broad-spec·trum an·ti·bi·ot·ic

an antibiotic having a wide range of activity against both gram-positive and gram-negative organisms.

broad-spectrum antibiotic

A therapeutic array used to treat bacterial infections—e.g., acute otitis media.

Examples
Azithromycin, clarithromycin, cefixime, cefpodoxime proxetil, cefprozil, ceftriaxone, cefuroxime axetil, loracarbef.

Cons
Overuse of broad-spectrum antibiotics facilitates development of antibiotic-resistant infections and multi-drug resistance.

broad-spec·trum an·ti·bi·ot·ic

(brawd-spek'trŭm an'tē-bī-ot'ik) An antibiotic having a wide range of activity against both gram-positive and gram-negative organisms.

单词	broad-spectrum antibiotic
释义	DictionarySeeantibiotic broad-spectrum antibiotic broad-spectrum antibiotic [¦brȯd ¦spek·trəm ‚ant·i·bī′äd·ik] (microbiology) An antibiotic that is effective against both gram-negative and gram-positive bacterial species. broad-spectrum antibiotic antibiotic [an″te-, an″ti-bi-ot´ik] 1. destructive of life.2. a chemical substance produced by a microorganism that has the capacity, in dilute solutions, to kill other microorganisms or inhibit their growth. Antibiotics that are sufficiently nontoxic to the host are used as chemotherapeutic agents in the treatment of infectious diseases. See also antimicrobial agent.antineoplastic a's (antitumor a's) a class of antineoplastic agents that apparently affect the function or the synthesis, or both, of nucleic acids and thus are cell cycle nonspecific. See also antineoplastic therapy.broad-spectrum antibiotic one that is effective against a wide range of bacteria, both gram-positive and gram-negative.β-lactam antibiotic any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a β-lactam ring. broad-spec·trum an·ti·bi·ot·ic an antibiotic having a wide range of activity against both gram-positive and gram-negative organisms. broad-spectrum antibiotic A therapeutic array used to treat bacterial infections—e.g., acute otitis media. Examples Azithromycin, clarithromycin, cefixime, cefpodoxime proxetil, cefprozil, ceftriaxone, cefuroxime axetil, loracarbef. Cons Overuse of broad-spectrum antibiotics facilitates development of antibiotic-resistant infections and multi-drug resistance. broad-spec·trum an·ti·bi·ot·ic (brawd-spek'trŭm an'tē-bī-ot'ik) An antibiotic having a wide range of activity against both gram-positive and gram-negative organisms. AcronymsSeebody surface area
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