Term
Nalidixic acid is a prototype |
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Definition
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Term
broadly but weakly bacteriostatic against gram negative bacteria only, no longer used clinically |
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Definition
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Term
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Definition
Norfloxacin, Ciprofloxacin, Ofloxacin/levofloxacin, Moxifloxacin, Trovafloxacin |
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Term
Relax negative supercoils/unwinds helix behind transcription bubble |
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Definition
Type I DNA topoisomerases |
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Term
DNA gyrase and topoisomerase IV in bacteria; burns ATP to reintroduce negative supercoils/rewind helix ahead of bubble |
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Definition
Type II DNA topoisomerases |
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Term
generic word for all enzymes that wind or unwind DNA |
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Definition
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Term
Maintain homeostatic superhelical density |
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Definition
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Term
Inhibitor of folate synthesis and metabolism |
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Definition
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Term
important one-carbon carrier in several biosynthetic pathways |
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Definition
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Term
First group of synthetic antibacterial compounds for systemic use |
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Definition
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Term
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Definition
Sulfamidochrysoidine, Sulfamethoxazole, Sulfacetamide, Sulfadiazine, Sulfanilamide, Dapsone (a sulfone) |
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Term
prodrug of Sulfamidochrysoidine |
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Definition
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Term
Sulfonamides (not just antibiotics) |
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Definition
Sulfanilic acid, Glyburide, Celecoxib, Hydrochlorothiazide, Furosemide, Sulfasalazine |
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Term
sulfonylurea hypoglycemia |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
Topical anti-inflammatory |
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Definition
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Term
Used for uncomplicated UTI, Toxoplasma, Plasmodium falciparum malaria (+ pyrimethamine), Pneumocystic carinii pneumonitis in AIDS |
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Definition
Sulfamethoxazole/trimethoprime (SMX/TMP = 5:1) |
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Term
Ophthalmic drops/ointment |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Trimethoprim (TMP), Pyrimethamine |
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Definition
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Term
most selective diaminopyrimidine for bacteria (less effective alone than in combo)-- bacteriostatic |
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Definition
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Term
diaminopyrimidine more selective for protozoans |
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Definition
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Term
used in combo with sulfonamide because if you block biosynthetic pathway at two points this is one way to achieve synergism |
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Definition
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Term
competitive inhibitor of dihydropteroate synthetase (exogenous PABA can compete) |
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Definition
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Term
Sulfonamides spectrum of activity |
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Definition
Most strains of streptococci, enteric bacteria, Neisseria, H. influenza, Chlamydia, Toxoplasma, some plasmodia |
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Term
Fluoroquinolones biopharmaceutics |
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Definition
chelates aluminum, magnesium, and calcium to form insoluble complexes; inhibition of CYP450, damage developing cartilage in animals |
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Term
Fluoroquinolones clinical use |
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Definition
Gram positive coverage not considered reliable; very good gram negative coverage, important anti-pseudomonal |
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Term
anti-pseudomonal activity (fluoroquinolones) |
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Definition
pneumonia in cystic fibrosis, UTI and prostitis, |
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Term
Does not achieve therapeutic levels in blood, used as urinary antiseptic (excreted extremely well into kidneys, renal clearance is so massive there is no build up into bloodstream) |
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Definition
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Term
Fluoroquinolones spectrum of activity |
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Definition
gram positive activity and increased gram negative activity including MRSA, streptococci, enterococci, most gram negative enteric, H. influenza, N. gonorrhoeae; |
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Term
active against Pseudomonas |
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Definition
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Term
Fluoroquinolones inhibit: |
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Definition
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Term
ciprofloxacin has 0-79% resistance to this within 1 year |
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Definition
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