Antibiotics by diagnosis
Antibiotics By Diagnosis
| Diagnosis |
Antibiotic Suggestion(s) |
| Meningitis |
Vancomycin 750mg (15mg/kg) IV PLUS Ceftriaxone 2g (50mg/kg) IV ADD Ampicillin 2g (50mg/kg) IV if concern for Listeria |
| Otitis media |
Amoxicillin 500mg (45mg/kg) PO Q12 OR Augmentin 500mg (45mg/kg) PO Q12 OR Cefdinir 600mg (14mg/kg) PO Daily |
| Otitis externa |
Ciprodex 3gtt Q12 OR Polysporin otic 5gtt Q6 |
| Pharyngitis |
Bicillin 1.2 million units (25k/kg) IM OR Azithromycin 500mg (12mg/kg) PO Daily |
| Corneal abrasion |
Erythromycin ophthalmic Q6 OR Levofloxacin 0.5% 2gtt Q2 if patient is a contact user |
| Orbital cellulitis |
Vancomycin 1g (15mg/kg) IV Q12 |
| Appendicitis |
Zosyn 4.5g (100 mg/kg) IV Q6 OR Flagyl 500mg (7.5mg/kg) IV Q6 PLUS Ciprofloxacin 400mg IV Q12 |
| Cholecystitis |
Augmentin 3g IV Q6 OR Imipenem/Cilastin 500mg IV Q6 |
| Diverticulitis |
Flagyl 500mg PO Q6 PLUS Ciprofloxacin 750mg PO Q12 |
| Infectious Diarrhea |
Empiric: Cipro 500mg PO Q12 x3d Giardia: Flagyl 500mg PO Q8 x5d C. diff: Flagyl 500mg PO Q8 x14d |
| Epididymitis |
Age <35 (gonorrhea suspected): Doxycycline 100mg PO Q12 x14d PLUS Cefixime 400mg PO once Age >35 (gonorrhea not suspected): Ciprofloxacin 500mg PO Q12 x14d |
| Cervicitis/Urethritis |
Cefixime 400mg PO once OR Azithromycin 1g PO once ADD Flagyl 2g PO once if concern for trichomoniasis |
| PID |
Ceftriaxone 250mg 1M once PLUS Doxycycline 100 mg PO Q12 x14d |
| UTI |
Macrobid 100mg PO BID x7d OR Bactrim DS PO Q12 x3d OR Keflex 500mg PO Q6 x7d |
| Pneumonia |
Outpatient: Azithromycin 500mg PO, 250mg PO x3d OR Doxycycline 100mg PO Q12 x7d Inpatient, Community Acquired Ceftriaxone 1g IV PLUS Azithromycin 500mg IV Inpatient, Health Care Acquired Vancomycin 1g IV (MRSA) PLUS Cefepime 2g IV (Pseudomonas) PLUS Tobramycin 4mg/kg IV (Pseudomonas) |
| Cellulitis/Superficial Abscess |
Bactrim DS 2tab PO Q12 x5-10d PLUS Cephalexin 500mg PO Q6 x5-10 OR Clindamycin 450mg PO Q8 x5-10d Diabetic with systemic toxicity Vancomycin 1g IV PLUS Unasyn 3g IV OR Zosyn 3.375g IV |
| Neutropenic fever |
Zosyn 4.5g IV OR Meropenem 1g IV PLUS/MINUS Gentamicin 2mg/kg IV ADD Vancomycin 1g IV for catheter related infection, colonization with MRSA, gram-positive culture unknown susceptibility, suspected sepsis |
Source
University of Cincinnati Department of Emergency Medicine "Handbook of EM Fundamentals"