FA Penicilin G, V, amoxicillin, ampic, antipseudomonals Flashcards
Penicilinas G formos?
I/m and I/v
Penicilinas V formos?
p/os
Penicilinas G ir V - prototype beta lactam antibiotics
.
Penicilinas G ir V. Mechanism?
panasus i vankomicino.
D-Ala-D-Ala structural analog. Bind penicilin-binding proteins (TRANSPEPTIDASES).
Block transpeptidase cross-linking of peptidoglycan in cell wall.
What group of enzymes activate Penicilinas G ir V?
activate autolytic enzyme
Penicilinas G ir V mostly for what bugs?
mostly for gram + (s. pneumonia; s.pyogenes; actinomyces)
Penicilinas G ir V for what gram - bugs?
mostly for gram - cocci - N. meningitidis.
Penicilinas G ir V for what bugs apart gram + and - ?
spirochetes - mainly treponema pallidum.
Penicilinas G ir V. cidal ir static?
bactericial for gram + coci. gram+ rods, gram - cocci, spirochetes.
Penicilinas G ir V. relation to beta lactamase?
beta lactamase sensitive.
Penicilinas G ir V. adverse?
hypersensitivity, direct Coombs positive hemolytic reaction, drug induced interstitial nephritis.
Penicilinas G ir V. resistance mechanism?
beta-lactamase cleaves the beta-lactam rings. Mutations in PBPs.
Penicillinase-sensitive penicilins?
Penicilinas G ir V;
Ampicillin;
Amoxicillin
what are aminopenicilins?
Ampicillin; Amoxicillin
Ampicillin; Amoxicillin - what mechanism?
Same as Penicilinas G ir V
what penicillinase precautions for Ampicillin; Amoxicillin?
To protect against destruction by beta-lactamase combine with:
amoxicillin - CLAVULANIC ACID (clavulanate)
Ampicillin - SULBACTAM
general Clinical use of Ampicillin; Amoxicillin?
extended-spectrum penicillins
Abbcreviation of Clinical use of Ampicillin; Amoxicillin?
HHELPSS - H-influenzae, H pylori, E.coli, Listeria monocytogenes, Proteus mirabilis, Salmonella, Shigella (only ampicillin)
+ enterococci.
in H pylori eradicaition?
amoxicillin (if allergy –> metronidazole)
Ampicillin; Amoxicillin - in otitis media, sinusitis, UTI, H pylori, VKT?
Amoxicillin
Ampicillin; Amoxicillin - meningitis, sigelioze, GI tract (E coli, salomenla, shigela, proteus, enterococus)
Ampicillin
Ampicillin; Amoxicillin adverse?
Hypersensitivity, rash (nealerginis berimas), pseudomembranous colititis (ampicilinas, nes used for GI infections), maksties kandidoze
Ampicillin; Amoxicillin resistance mechanism?
same as penicillin G and V - penicillinase (a type of beta-lactamase) cleaves beta-lactam rings.
What are antipseudomonal penicillins agents?
piperacillin, ticarcillin.