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Penicillins and Cephalosporins
Penicillins and Cephalosporins used in MSK system
62
Pharmacology
Professional
03/01/2012

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Cards

Term
What inc blood level of penicillins?
Definition
Probenicid - impairs renal tubular secretion of weak acids - inc blood level of penicilin
Term
Tx for Gonorrhea
Definition
Silver nitrate (eye infection) or Ceftriaxone
Term
3 Tx for Penicillin G
Definition
1) Pneumococcal Pneumonia (S. Pneumonia)
2)Syphilis
3) Gonorrhea
Term
Beta-hemolytic strep pharyngitis
Syphilis
Definition
Benzathine penicillin G (BPG) tx for what
Term
mild to moderate staph infections
Definition
Oral OCD (oxacillin, cloxacillin, dicloxacillin)
Term
Serious staph infections
Definition
IV Naficillin
Term
Penicillin resistant pneumococci tx
Definition
Amoxicillin and ampicillin
Term
DOC for Listeria monocytogenes
Definition
Ampicillin
Term
Better absorbed orally
Definition
Amoxicillin
Term
What is the spectrum for Amoxicilin and ampicillin?
Definition
-Same as Penicillin G PLUS
-Gram (+) bacilli: Listeria monocytogenes
-Gram (-) rods: E. coli, H. influenza, Proteus mirabilis, Salmonella typhi
Term
tx for Pseudomonas aeruginosa
Definition
Ticarcillin and Piperacillin
Term
tx for infections outside of the urinary tract
Definition
Ticarcillin/Piperacillin + Aminoglycosides/Fluoroquinolones
Term
Calvulanic acid
Definition
beta lactamase inhibitor
Term
sublactam
Definition
beta lactamase inhibitor
Term
Taxobactam
Definition
beta lactamase inhibitor
Term
Amoxicillin + Calvulanic acid
Definition
Augmentin
Term
Piperacillin + Taxobactam
Definition
Zosyn
Term
Hypersensitivity and Nephritis
Definition
main side effects of penicillins
Term
Cefadroxil
Definition
1st
Term
Cefazolin
Definition
1st
Term
Cephalexin
Definition
1st
Term
Cephradine
Definition
1st
Term
Cefaclor
Definition
2nd
Term
Cefuroxime
Definition
2nd
Term
Cefoxitin
Definition
2nd
Cephamycin
Term
Cefotetan
Definition
2nd
Cephamycin
Term
2nd gen extended spectrum against anaerobes
Definition
Cephamycins
Term
Cefotaxime
Definition
3rd
Term
Ceftazidime
Definition
3rd
Term
Ceftriaxone
Definition
3rd
Term
Cefipime
Definition
4th
Term
-Gram (+) cocci (EXCEPT MRSA)
Definition
1st
Term
-PEcK: Proteus, E. coli, Klebsiella
Definition
1st
Term
-Anaerobic cocci activity: peptococcus and peptostreptococcus
Definition
1st
Term
UTI tx
Definition
Oral Cefadroxil, cephalexin, cephradine
Term
Staph/Strep tx
Definition
Oral Cefadroxil, cephalexin, cephradine
Term
Cellulitis
Definition
Oral Cefadroxil, cephalexin, cephradine
Term
Soft tissue abcess
Definition
Oral Cefadroxil, cephalexin, cephradine
Term
DOC for surgical prophylaxis
Definition
IV Cefazolin
Term
alt for penicillin allergies
Definition
IV Cefazolin
Term
Mixed anerobic infetions
-Peritonitis
-Diverticulitis
Definition
Cefoxitin
Cefotetan
Term
what two 2nd gen can penetrate BBB
Definition
Ceftriaxone
Cefotaxime
Term
tx for b-lactamase prod strains of H. influienza and Neisseria
Definition
Ceftriaxone and Cefotaxime
Term
tx for meningitis (H influenza, pneumococci, meningococi and susceptible enteric gram (-) rods
Definition
Ceftriaxone and Cefotaxime
Term
Tx for meningitis caused by highly resistant strains of pneumococci
Definition
Ceftriaxone or Cefotaxime PLUS vancomycin
Term
DOC for empiric therapy of serious infection and active agains most active penicillin resistant strains of pneumococci
Definition
Ceftriaxone, Cefotaxime
Term
Emperical therapy for sepsis of unknown cause
Definition
Ceftriaxone
Term
Neutropenic, fibrile, immunocompromised pts – tx with
Definition
Ceftriaxone (3rd generation)
Term
-Enterobacter (more resistant to hydrolysis by chromosomeal b-lactamases)
-Pseudomonas aeruginosa, S. aureus, S. pneumoniae
-Highly active against Haemophilus and neisseria
-penetrates CNS
Definition
Cefepime
Term
-Cephalosporins are excreted thru
-Exception?
Definition
Urine
Ceftriaxone (bile)
Term
Organisms not covered by cephalosporins
Definition
LAME
-Listeria monocytogenes
-Atypicals (Chlamydia, mycoplasma)
-MRSA
-Enterococci
Term
Which cephalosporin can cause Hypoprothrombinemia (cause bleeding) and disulfiram-like rxns?
Definition
Cefotetan (methylthiotetrazole)
Term
-acts like penicillin (monobactam)
-spectrum similar to 3rd gen cephalosporins
-resistant to most b-lactamases
-can be given to penicillin-allergy pts
-can tx pneumonia, meningitis, and sepsis caused by gram (-) pathogens
Definition
Aztreonam
Term
-resistant to most b-lactamases
-inactivated by dehydropeptidase in renal tubules so must administer with cilastatin to inibit dehydropeptidase
-___________ + cilastatin
-only use for highly resistant strains
Definition
Imipenem
Term
-N/V/D
-Skin rashes
-Renal failure
-Seizures
-penicillin allergy contraindication
Definition
Imipenem adverse effects
Term
Binds D-Ala-D-Ala terminus preventing peptidoglycan elongation and cross linking
Definition
Vancomycin MOA
Term
Terminal D-Ala becomes D-lactate
Definition
Vancomycin resistance
Term
Bacteriocidal for gram (+)
Definition
Vancomycin
Term
combo with Ceftriaxone or cefotaxime for tx of meningitis caused by highly penicillin resistant pneumococcus
Definition
Vancomycin
Term
used orally only in tx of enterocolitis usu caused by C. diff and excreted unchanged in the urine
Definition
Vancomycin
Term
Inhibits cell wall synthesis by interfering with lipid carrier that transfers peptidoglycan subunits to the growing cell wall
Definition
Bacitracin MOA
Term
Surface lesions of the skin, in wounds, or mucous membranes
Definition
Bacitracin
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