broad-spectrum antibiotic

(redirected from Broad spectrum antibiotic)
Also found in: Dictionary, Encyclopedia.
Related to Broad spectrum antibiotic: ampicillin

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.
References in periodicals archive ?
In the study, broad spectrum antibiotics were prescribed more than narrow spectrum, maybe due to the ease of compliance with the treatment regimen or uncertainty about the diagnosis.
Others, known as broad spectrum antibiotics, are effective against a wide range of bacteria.
Broad spectrum antibiotics appeared to account for much of the association.
Patient notes and prescriptions showed that of 21 women aged between 15 and 50 prescribed broad spectrum antibiotics in the department, only nine were asked their drug history and just two given written contraceptive advice.
European Union Foreign Ministers meeting in Luxembourg on October 5 set anti-subsidy duties of up to 14.6% on various Indian exports of broad spectrum antibiotics. The duties, agreed without discussion at the EU's General Affairs Council, apply to three semi-synthetic penicillins: amoxicillin trihydrate, ampicillin trihydrate and cefalexin.
Unlike the prior example, the increased precision in this diagnosis should actually reduce the variable cost of therapy, because more expensive broad spectrum antibiotics can be replaced by less expensive and more specific antibiotics to complete a patient's treatment once the culture results are known.
The three drugs are broad spectrum antibiotics widely used in animal production either alone or in combination with other antibiotics.
Use of broad spectrum antibiotics allowed treatment of resistant strains, but it also contributed to the development of even more resistance.
Unfortunately poor diets are hurting the bacteria in many of us and the overuse of antibiotics is taking its toll as well, she says, particularly the common, broad spectrum antibiotics that wipe out anything in their path, good and bad bacteria included.
The company operates a large manufacturing plant and has pharmaceutical brands in therapeutic areas such as anti-hypertensives, broad spectrum antibiotics and anti-diarrheals.
Amoun reportedly operates a large, state-of-the-art manufacturing plant that is considered to be one of the largest and most up-to-date pharmaceutical facilities in Africa and the Middle East and has market leading pharmaceutical brands in therapeutic areas such as anti-hypertensives, broad spectrum antibiotics and anti-diarrheals.