Antimicrobial Drugs Flashcards
Broad spectrum vs narrow spectrum
Broad + AND - bacteria
Narrow + OR - bacteria
What occurs when bacteria change in some way to reduce or eliminate the effectiveness of the agent used to treat or prevent the infection
antibiotic resistance
residue
residual drug leftover in tissue
Beta-Lactamase? AKA
enzyme that breaks down beta-lactame rings
A penicillin that is beta-lactame resistant?
Oxacillin
How is penicillin G administered? Pen V?
pen g- IV
pen v- orally
What molecular structure is found in penicillin that allows for the interference with bacteria cell wall synthesis?
beta-lactame ring
Animate vs inanimate?
animate- alive
inanimate- not alive
antiseptic vs disinfectant
antiseptic-on living tissue
disinfectant-on nonliving tissue
Name a drug that is antidiarrheal/antibiotic/antiprotozoal
Metronidazole (Flagyl)
what is Metronidazole (flagyl) used to treat?
canine diarrhea
Difference between 1st and 3rd generation cephalosporin
first- can be inactivated by penicillinase
third- resistant to penicillinase.
more gram negative. effective against gram posiive
Cefazolin is found in which generation of cephalosporin?
first generation
Simplecef is found in which generation of cephalosporins?
third generation
Regarding sulfonamides, what is a primary side effect?
crystalluria
To prevent crystalluria while on sulfonamide, what should you inform owner?
pet should drink more water
Why would a dog be placed on a tetracycline drug?
rickettsial agent (lyme, lepto, rocky mountain spotted fever, toxoplasmosis)
Name a tetracycline drug
doxycycline
why should tetracycline be avoided in growing animals and pregnant animals?
binds to calcium. decreases bone development and yellows teeth. Although, benefits outweigh side effects with growing dogs.
what lincosamide will be prescribed to a cat for a routine dental and extraction of two molars
clindamysin
Griseofulvin is used to treat?
dermatophytes (ringworm)
Griseofulvin should always be given with what type of meal?
fatty meal
tx of meningitis w/ V/D. urine orange/red. what drug?
Rifamycin (Rifampin)
A potentiated drug means..
combined drugs to enhance their effects