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Bugs + Drugs 2
General spectra + resistance
| Drug | Spectrum | Treat special bugs? | Metabolism | AE's |
|---|---|---|---|---|
| Ampicillin/Amoxicillin | Gram + and - | Borrelia; Listeria; S. pneumo for OM/Sinusitis; + AG = Enterococcus | Renal | Allergic |
| Methicillin, Nafcillin, Oxacillin | Gram + | S. aureus | Hepatic | Hepatitis |
| Piperacillin | Gram + and - | Pseudomonas, Bacteroides | Renal | Nephritis, (neutro)penias |
| Carbapenam (imipenam) | Broadest spectrum of ß lactams (everything except fungi) | Pseudomonas, Bacteroides | Renal | |
| 1st generation Cephs | Gram + | Renal | ||
| 2nd generation Cephs | Gram + and - | Renal | ||
| 3rd generation Cephs | Gram + and -; no staphylococcus coverage | Pseudomonas (Ceftazidime), N. meningitidis, Chlamydia | Both | |
| Aztreonam (monobactam) | Gram - | Renal | ||
| Vancomycin | Gram + | MRSA, S. epidermidis, S. pneumo if PCN resistant strain, C. difficile | Renal | Red person syndrome (histamine) |
| Daptomycin | Gram + | VRE, MRSA, C diff, Enterococcus | Renal | CK increase, myopathy |
| TMP/SMX | Almost everything | Nocardia, MRSA | Hepatic | Rash; need folinic acid supplement @ high dose |
| Fluoroquinolones (Ciprofloxacin) | Almost everything | Bacillus anthracis | Renal | Sz @ high dose |
| Metronidazole | Anaerobes, parasites | C. difficile, Bacterioides | Hepatic | Like antabuse |
| Penicillin G | Gram +, Spirochetes | Most kinds of strep!, Clostridia, Spirochetes, Actinomyces | Renal | Allergic rxn |
| Clindamycin | 1. GPC 2. Anaerobes: B. fragilis, C. perfringens 3. parasite 4. fungus: PCP | Bacillus cereus, Clostridia, Bacteroides | Hepatic | Pseudomembranous colitis |