Antimicrobials Flashcards
Protein synthesis inhibition
Aminoglycosides- gentamicin
Tetracyclines-doxy
Macrolides- erythromycin
Chloramphenicol- eye drops
Oxazolidinones - linezolid
DNA synthesis inhibition
Fluoroquinolones- ciprofloxacin
Nitroimidazoles- metronidazole
RNA synth inhibition
Rifamycin- rifampicin
Cell membrane toxin
Polymyxin- colistin
Cyclic lipopeptide- daptomycin
Inhibit folate metabolism
Sulphonamides- sulphamethoxazole
Diaminopyrimidines- trimethoprim
Beta lactams-
Examples
Indications
Penicillins- benzylpenicillin
Cephalosporins- ceftriaxzone
Carbapenems- meropenem
Gram +ves
Gram -ves- 3rd gen cephs and carbapenems
Tetracyclines
Eg
Indication
Doxy
Intracellular- chlamydia
Macrolides
Eg
Indication
Erythromycin
Gram +ve in pen allergy
Chloramphenicol
Eye drops
Bacterial conjunctivitis
Fluoroquinolones
Eg
Indication
Ciprofloxacin
Gram negative
Nitroimidazole
Eg
Indication
Metronidazole
Anaerobes + protozoa
Rifamycin
Eg
Indication
Rifampicin
Mycobacterium- used in TB
Cyclic lipopeptide
Eg
Indication
Daptomycin
Gram +ve, MRSA + VRE
Sulphonamides
Eg
Indication
Sulphamethoxazole
PCP (with trimethoprim- co-trimaoxazole)
Diaminopyrimidines
Eg
Indication
Trimethoprim
UTI