click below
click below
Normal Size Small Size show me how
Drugs of Choice
USMLE Step 1
| Microorganism | Pathology & Tx |
|---|---|
| Actinomyces | Disease: Actinomycosis, Tx: Penicillin G |
| Bacillus anthracis | Disease: Anthrax, Tx: Ciprofloxacin or Tetracyclines |
| Bordetella pertussis | Disease: Whooping cough, Tx: Erythromycin |
| Borrelia Burgdorferi | Disease: Lyme disease, Tx: tetracycline |
| Campylobacter | Disease: Acute inflammatory diarrhea, Tx: ciprofloxacin |
| Candida | Disease: vaginal and systemic candidiasis, Tx: miconazole (vaginal) & fluconazole (systemic) |
| Chlamydia trachomatis | Disease: PID, Tx: doxycycline |
| Chlamydia pneumoniae | Disease: pneumonia, Tx: tetracycline |
| Hemophilus Influenza | Disease: pneumonia or meningitis, Tx: 3rd generation cephalosporin |
| Helicobacter pylori | Disease: gastric ulcer, Tx: metronidazole & tetracycline |
| Klebsiella | Disease: pneumonia or UTI, Tx: 3rd generation cephalosporin (pneumonia) and quinolones (UTI) |
| Legionella | Disease: Legionaire's disease, Tx: erythromycin |
| Mycobacterium tuberculosis | Disease: tuberculosis, Tx: isoniazid & rifampin & pyrazinamide & ethambutol |
| Mycobacterium leprae | Disease: leprosy, Tx: dapsone & rifampin |
| Mycobacterium pneumoniae | Disease: atypical pneumonia, Tx: erythomycin |
| Neisseria gonorrhea | Disease: gonorrhea, Tx: ceftriaxone |
| Neisseria meningitis | Disease: meningitis, Tx: penicillin G |
| Nocardia | Disease: pneumonia, Tx: trimethoprim/sulfamethoxazole |
| Proteus | Disease: UTI, Tx: quinolones |
| Rickettsia | Disease: spotted fever, endemic typhus, Tx: tetracycline |
| Salmonella typhi | Disease: typhoid fever, TX: trimethoprim/sulfamethoxazole |
| Shigella | Disease: dysentery, Tx: trimethoprim/sulfamethoxazole |
| Staphylococcus aureus | Disease: skin infection; sepsis, osteomyelitis, Tx: dicloxacillin (dermatitis); nafcillin or oxacillin (sepsis, osteomyelitis) *NOTE: for meth resistant S. aureus use vancomycin* |
| Streptococci pyogenes | Disease: pharyngitis or erysipelas (superficial bacterial skin infection that characteristically extends into the cutaneous lymphatics), Tx: penicillin G or V |
| Streptococci viridans | Disease: endocarditis, Tx: penicillin & aminoglycoside |
| Treponema pallidum | Disease: syphilis, Tx: penicillin G |
| Trichomonas | Disease: trichomoniasis, Tx: metronidazole |
| Tropheryma whippelii | Disease: Whipple's disease, Tx: trimethoprim/sulfamethoxazole |
| Vibrio cholerae | Disease: cholera, Tx: tetracycline (& fluids!) |
| Yersinia pestis | Disease: plague ("black death"), Tx: streptomycin |
| Bacillus cereus | Tx: vancomycin or clindamycin |
| Clostridium difficile | Tx: metronidazole |
| Corynebacterium diptheriae | Tx: erythromycin |
| Gardnerella vaginalis | Tx: metronidazole |
| Hemophilus ducreyi | Tx: azithromycin or ceftriaxone |
| Pasteurella multocida | Tx: penicillin family drugs |