Chapter 38-Antibiotics part 1: Sulphonamides, Penicillins, Cephalosporins, Macrolides, and Tetracylines Flashcards
Antibiotic
Having or pertaining to the ability to destroy or interfere with the development of a living organism. The term used most commonly to refer to antibacterial drugs
Bactericidal antibiotic
Antibiotic that kills bacteria.
Bacteriostatic antibiotic
Antibiotic that does not actually kill bacteria but rather inhibits their growth.
B-Lactam
Name for a broad, major class of antibiotics that includes four subclasses: penicillins, cephalosporins, carbapenems, and monobactams
B-Lactamase
Any of a group of enzymes produced by bacteria that catalyze the chemical opening of the crucial B-Lactam ring structures in B-Lactam antibiotics
B-Lactamase inhibitors
Drugs combined with certain penicillin drugs to block the effects of B-Lactamase enzymes
Empirical antibiotic therapy
Administration of antibiotics based on the practitioner’s judgement of the pathogens most likely to be causing an apparent infection; it involves the presumptive treatment of an infection to avoid treatment delay, before specific culture information has been obtained.
Glucose-6-phosphate dehydrogenase (G6PD) deficiency
An inherited disorder in which the RBC are partially or completely deficient in G6PD, a critical enzyme in the metabolism of glucose.
Host Factors
Factors that are unique to the body of a particular patient that affect the patients susceptibility to infection and response to antibiotic drugs
Infection
The invasion and multiplication of MO in body tissues
MO
Microscopic living organisms aka microbes
Prophylatic antibiotic therapy
Antibiotics taken before anticipated exposure to an infectious organism in an effort to delay the development of infection
Slow acetylator
A common genetic host factor in which the rate of metabolism of certain drugs is reduced.
Subtherapeutic
Referring to antibiotic treatment that is ineffective in treating a given infection. Possible causes include inappropriate drug therapy, insufficient drug dosing, or bacterial drug resistance
Superinfection
1) An infection occurring during antimicrobial treatment for another infection, resulting from overgrowth of an organism not susceptible to the antibiotics used. 2) A secondary microbial infection that occurs in addition to an earlier primary infection, often because of weakening of the PT’s immune system function by the first infection