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IDIT Antibiotics
IDIT Walters
25
Medical
Professional
02/07/2011

Additional Medical Flashcards

 


 

Cards

Term
How is Chloramphenicol available?
Definition
IV only now. Used to have apthalmic but not anymore
Term
What are the side effects of Quinupristin/Dalfopristin?
Definition
1. arthralgias/myalgies
2. superinfection-> colitis
3. hyperbilirubinemia
4. venous irritation
5. vancomycin resistant strains of E Faecium
Term
What Sx are associated with 5-HT syndrome?
Definition
restless, tremore, delirium, rigidity, myoclonus, hyperthermia, hyperreflexia, sweating, shivering, blunted senses, seizures, coma
Term
What's the longest you can use Linezolid?
Definition
28 days
Term
What is the leading offender that causes pseudomembranous colitis?
Definition

C. Difficile

Treated by Clindamycin (cleocin)

Term
Clindamycin (mechanism)
Definition
inhibits translocation
immunomodulatory activity vs group A Strep w. PCN
Term
What organisms do you treat with Polymyxin B?
Definition
Gram -
Term
POlymyxin B (side effects)
Definition
1. Neuromuscular block (neurotoxic)
2. Nephrotoxic!
* so it's topical only
Term
Polymyxin B (mechanism)
Definition
Cidal Cationic Detergent
Term
What is Neosporin made of?
Definition
Polymyxin B + gramcidin + neomycin
Term
What is Neosporin GU irrigant?
Definition
Polymyxin B + neomycin (instilled into bladder)
Term
What is Rifaximin used for?
Definition
1. Travelers diarrhea from non-invasive E. coli
2. lower risk of hepatic encephalopathy in Pt's w. advance liver disease by lowering ammonia producing bacteria
Term
Mupirocin (Bactroban) ... mechanism?
Definition
Inihibit bacterial isoleucyl t-RNA synthetase
Term
What are two drugs used for treating IMPETIGO?
Definition
1. Mupirocin (Bactroban)
2. Retapamulin (Altabax)
Term
Retapamulin (mechanism)
Definition
block acceptor/donor sites of peptidyl transferase
Term
Nitrofurantoin (mechanism)
Definition
Reduced by UT bac -> reactive intermediates that damage DNA, ribosomes, cell wall, etc...
Hard for organism to depend itself against non-specific mech
Term
Nitrofurantoin (side effects)
Definition
1. Pulmonary reactions
2. Discolor urine
Term
Why isn't Daptomycin used for penumonia?
Definition
inactivated by pulmonary surfactant
Term
Daptomycin (mechanism)
Definition
1. Depolarizes cytoplasmic membrane
2. Inhibits DNA, RNA, Prot Synth
Term
Daptomycin (side effects)
Definition
Increases creatine kinase
Term
Quinidine (indications)
Definition
IV for life threatening Plasmodium falciparum
Term
What bugs are Rifampin useful against?
Definition
most Gram + and many G-
Term
Rifampin (mechanism)
Definition
inhibits DNA-dependent RNA polymerase
Term
Rifampin (side effects)
Definition
1. Red-orange urine, feces, excretions, etc
2. Rash, fever, nausea, vomiting
3. Jaundice (fatalities rare)
4. Hepatitis (rare if normal liver)
Term
What should you use for pediatric doses?
Definition
Harriet Lane Handbook
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