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18 Cards in this Set
- Front
- Back
Ciprofloxacin
(class & MoA) |
fluoroquinolones
Gm-: inhibits DNA gyrase Gm+: inhibits topoisomerase IV |
|
Levofloxacin
(class & MoA) |
fluoroquinolones
Gm-: inhibits DNA gyrase Gm+: inhibits topoisomerase IV |
|
Gatifloxacin
(class & MoA) |
fluoroquinolones
Gm-: inhibits DNA gyrase Gm+: inhibits topoisomerase IV |
|
Moxifloxacin
(class & MoA) |
fluoroquinolones
Gm-: inhibits DNA gyrase Gm+: inhibits topoisomerase IV |
|
Ciprofloxacin
(main use) |
Pseudomonas
UTIs, prostatitis, STDs, gastroenteritis |
|
Levofloxacin & Moxifloxacin
(main use) |
respiratory infections
(S.pneumo, CAP) |
|
FQs absorption & adverse effects
|
absorption inhibited by heavy metal ions
tendon ruptures & cartilage damage (also, GI, rash, CNS) |
|
Rifampin
(MoA & main use) |
inhibits RNA poly (transcription)
Treats TB or N. meningitides |
|
Rifabutin
(MoA & main use) |
inhibits RNA poly (transcription)
Treats TB or N. meningitides |
|
Rifampin & Rifabutin effect on CYP3A4?
|
inducers
|
|
Sulfonamides MoA
|
analog of PABA
inhibits folic acid synthesis by inhibiting dihydropteroate synthetase |
|
What sulfonamide is shortest acting?
|
Sulfisoxazole
|
|
What is silver sulfadiazine used for?
|
prevent colonization of burns
|
|
What is the main use of sulfonamides?
|
uncomplicated UTI, nocardiosis, trachoma, conjunctivitis, toxoplasmosis
|
|
Sulfonamides adverse rxns
|
skin (rash-->SJ), drug fever, blood dyscrasias, eosinophilia, crystalluria, hepatitis, kernicterus
|
|
Trimethoprim MoA
|
inhibits DHF reductase (prevents conversion of FH2-->FH4)
inhibits utilization of folate |
|
Trimethoprim uses
|
bronchitis, otitis media, Pneumocystis jiroveci
|
|
Which 2 antibiotics show slowed absorption when heavy metals are present?
|
Ciprofloxacin and Tetracycline
|