sulfas Flashcards
Sulfas- MOa
inhibit folate so can’t synthesize DNA, bacteriostatic
Sulfas - spectrum
broad; gram + cocci (including MRSA), gram - bacilli, chlamydia, some fungi, E.coli, UTI’s
sulfas- AE
hypersensitivity (Steven’s Johnson, photosensitivity, hemolytic anemia in pts with G6PD deficiency, kernicterus in newborns, renal damage (decreased dose in patients with renal impairment); drink lots of water
sulfas- contrindications
infants < 2mo, in 3rd trimester, BF, older adults
sulfas- interactions
can intensify warfarin, phenytoin, and sulfa type hypoglycimides (glyburide)
trimethoprim- spectrum
gram - bacilli (E.coli, proteus mirabilis, salmonella0 and some gran + diptheria) some protazoa ( taxoplasma gondii) and 1 fungus
TMZ/SMZ -uses
UTI’s and 1st choice for p. jirovecii, otitis media, and acute chronic bronchitis 9H.influenzae, or strep PNA
TMZ-SMZ- AE
hypersensitivity (Steven’s Johnson, photosensitivity, hemolytic anemia in pts with G6PD deficiency, kernicterus in newborns, renal damage; drink lots of water, birth defects
UTI- Acute cystitis uncomplicated 1st line
TMZ/SMZ (BID 3 days), nitrofurantoin (BID5 days), fosfomycin (once)
UTI- Acute cystitis uncomplicated 2nd line
cipro (BID 3days), Levofloxacin (BID 3 days)
UTI - UTI and pyelonephritis 1st line
TMZ/SMZ (BID 14 days), Cipro (BID 5-7 days), Levofloxacin (daily 5-7 days)
UTI - UTI and pyelonephritis - second line
Augmentin (BID 10-14 days), cefadroxil , cefdinir, cefpodoxime
Complicated UTI 1st line
TMZ/SMZ, cipro, levofalxacin, augentin, cephalexin
nitrofurantoin MOA
bacteriostatic
nitrofurantoin Spectrum and Uses
gram + and -UTI