NON-beta lactam Antibiotics Flashcards
Cotrimoxazole made from
Trimethoprim
Sulfamethexazole
Cotrimoxazole given as
Oral
Has CSF crossing
Aminoglycosides cannot be used for
Pregnant women
Highest bioavailability for tetracyclines
Long acting
Excreted via biliary (only exception)
Atypical athogens where tetracyclines are active
CML
Chlamydia
Mycoplasma
Legionella
What are the long acting tetracyclines
DMT
Doxycycline
Minocycline
Tigecycline
Clinical uses of tetracyclines
Chlamydia infections Mycoplasma pneumonia Cholera short term therapy Leptospirosis Actinomycosi 2nd line for malaria
Medmonic for tetracyclines
Puro C Children - avoid Childbirth -contrindication Cholera Chlamydia Chelator - Ca2+/Mg2+
Antimicrobials that bind to 50S ribosomal subunit
MCC
macrolides
Chloramphenicol
Clindamycin
Clarithromycin vs erythromycin
More gram neg activity by clarithromycin
All plus H. influenza and M. catarrhalis
Use for whooping cough (Bordetella pertussis)
Macrolides
With side effect ototoxicity
Aminoglycosides
Macrolides
Vancomycin
Macrolides are INHIBITORS of
CYP1A2
CYP3A3/4
PenPACC: MACROLIDES
Penicillin hypersensitivity Pertussis Atypical Campylobacter Corynbacterium
1st line drug for community acquired MRSA
Clindamycin
MOA of 50S binders
Inhibit translocation
Macrolides
Clindamycin
Inhibit transpeptidation
Chloramphenicol
For chloramphenicol there are two ways to administer
Palmitate : oral
Succinate : IV (less bioavailability)
Common causes of meningitis
S. pneumoniae
H influenza
N meningitides
Chloramphenicol
Hashram neg activity with pseudomonas (not aeruginosa)
Fantastic drug that crosses the bbb
Chloramphenicol
First line drug of meningitis in developing countries
Chloramphenicol
Quinolones
Synthetic fluorinated analogs of napidixic acid
1st gen quinolones
Nalidixic acid
Cinoxin
2nd gen quinolones
Ciprofloxacin
Ofloxacin
