Antibiotics Flashcards
what type of gram bacteria is resistant to benzylpenicillin?
Gram negative
what are the two groups of B lactam antibiotics
Penicillins and Cephalosporin
Glycopeptides inhibit cell wall synthesis, what are the two types of glycopeptide antibiotics?
Vancomycin and Teicoplanin
Glycopeptides act only on?
gram positive organisms
Vancomycin and Teicoplanin are only given in what way?
parenterally as they are not absorbed from the GI tract
What Glycopeptide is toxic
Vancomycin
Aminooglycosides are antibiotics that work by inhibiting what?
Inhibition of protein synthesis
Give an example of an Aminoglycoside
Gentamicin
Aminoglycosides are important as resistance among gram ………….. is unusual
negative
What species of gram positive bacteria are resistant to Aminoglycosides
Streptococci
The Aminoglycoside Gentamicin is given under a careful dosing regime, why?
It is toxic
Macrolides and Tetracyclines are antibiotics, what do they inhibit?
Inhibition of protein synthesis
What antibiotic can be used as an alternative to penicillin in gram positive infections?
Macrolide antibiotics
Trimethoprim and Sulphamethoxazole are antibiotics, what do they inhibit?
Nucleic acid synthesis
Trimethoprim can be used on its on usually to treat what?
urinary tract infections
