Antibiotic Drugs Flashcards
Neosporin contains
neomycin, bacitracin, polymyxin combination
What four ways can antibiotics kill bacteria?
Inhibit cell wall synthesis, inhibit protein synthesis, interfere w/ DNA synthesis, and inhibit folic acid synthesis
Which is the oldest Macrolide? Which is relatively new?
old: Erythromyci, new: azithromycin
Vitamins such as iron, calcium, magnesium, and aluminum have what affect on the bioavailability of Quinolones?
decreases bioavailability
How do Quinolones work?
interrupt DNA gyrase (an enzyme that coils DNA)
Name two broad spectrum penicillin.
amoxicillin, ampicillin
How to Beta Lactam Antibiotics work?
The beta lactam ring inhibits cell wall synthesis
What are broad spectrum antibiotics, and when are they used?
Broad spectrum antibiotics kill many organisms, thus often disrupting the flora, this is bad because the body is then left vulnerable for opportunistic infections. These drugs are used when we are not sure what bacteria is growing
How to Beta Lactam Antibiotics work?
The beta lactam ring inhibits cell wall synthesis
Why is Erythromycin estolate dangerous?
It can cause obstructive hepatitis
