Antimicrobials Flashcards
Nitroimidazoles consist of what two medications
metronidazole, ronizadole
what do nitroimidazoles fight against?
obligate anaerobes
protozoa (giardia)
Are nitroimidazoles bacteriocidal or bacteriostatic?
bactericidal and protozoacidal
what do nitroimidazoles disrupt?
synthesis of DNA and nucleic acids
What are the side effects of nitroimidazoles?
neurotoxicity
illegal use in food animals
Ronidazole - fights against T. foetus. Illegal to use in food animals. Carcinogenic. Chemotherapy drug
What medications make up amphenicols?
1) chloramphenicol
2) florfenicol
what do amphenicols protect against
gram positive (+)
gram - (negative)
rickettsia
mycoplasma
chlamydia
what do amphenicols disrupt?
synthesis of bacterial protein
what are the side effects of amphenicols?
D+
bone marrow suppression
WEAR GLOVES when touching - can cause abortion
Chloramphenicols: do NOT use in food producing animals; causes APLASTIC ANEMIA in humans
Florfenicol: approved use in cattle
What medication causes aplastic anemia in humans?
chloramphenicol
What medication is approved use in cattle?
Florfenicol
what genre of medication can cause abortion when touched without gloves?
amphenicols
are amphenicols bactericidal or bacteriostatic?
bacteriostatic
are lincosamides bactericidal or bacteriostatic?
BOTH
what medications fall under lincosamides?
lincomycin
clindamycin
pirlimycin
what do lincosamides disrupt?
bacterial protein synthesis
what do lincosamides protect against?
gram positive (+)
obligate anaerobes
mycoplasma
what are the side effects of lincosamides?
D+
CONTRAINDICATED in horses
are macrolides bacteriostatic or bactericidal?
bacteriostatic
what do macrolides disrupt?
protein synthesis
what are drugs that are macrolides?
erythromycin
azithromycin
clarithromycin
tilmicosin
tylosin
what do macrolides protect against?
gram positive (+)
obligate anaerobes
pencillinase producing staphylococcus
mycoplasma