Sinusitis, Acute, Medical Treatment Differential Diagnoses
- Author: Steven E Sobol, MD, FRCSC, MSc, FAAP; Chief Editor: Arlen D Meyers, MD, MBA more...
Differential Diagnoses
- Allergic Fungal Sinusitis
- Sinusitis, Chronic, Medical Treatment
- Sinusitis, Ethmoid, Acute, Surgical Treatment
- Sinusitis, Frontal, Acute, Surgical Treatment
- Sinusitis, Fungal
- Sinusitis, Maxillary, Acute, Surgical Treatment
- Sinusitis, Maxillary, Chronic, Surgical Treatment
- Sinusitis, Sphenoid, Acute, Surgical Treatment
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| Antibiotic | Dosage | Streptococcus pneumoniae | Haemophilus influenzae | Moraxella catarrhalis | Anaerobic bacteria | ||
| Sensitive | Intermediate | Resistant | |||||
| Amoxicillin | 500 mg PO tid | +++ | ++ | + | ++ | + | + |
| Clarithromycin | 250-500 mg PO bid | ++ | ++ | + | ++ | +++ | + |
| Azithromycin | 500 mg PO first day, then 250 mg/d PO for 4 days | ++ | ++ | + | ++ | +++ | + |
| Antibiotic | Dosage | Streptococcus pneumoniae | Haemophilus influenzae | Moraxella catarrhalis | Anaerobic bacteria | ||
| Sensitive | Intermediate | Resistant | |||||
| Amoxicillin/clavulanate | 500 mg PO tid | +++ | ++ | + | +++ | +++ | +++ |
| Cefuroxime | 250-500 mg PO bid | +++ | ++ | + | +++ | ++ | ++ |
| Cefpodoxime + cefixime | 200 mg PO bid 400 mg/d PO | - ++ | +++ - | ++ - | + +++ | +++ +++ | +++ - |
| Ciprofloxacin | 500-750 mg PO bid | ++ | + | + | ++ | +++ | + |
| Levofloxacin | 500 mg/d PO | +++ | +++ | +++ | +++ | +++ | +++ |
| Trovafloxacin | 200 mg/d PO | +++ | +++ | +++ | +++ | +++ | +++ |
| Clindamycin | 300 mg PO tid | +++ | +++ | +++ | - | - | +++ |
| Metronidazole | 500 mg PO tid | - | - | - | - | - | +++ |
| Antibiotic | Dosage | Streptococcus pneumoniae | Haemophilus influenzae | Moraxella catarrhalis | Gram-negative | Anaerobic bacteria |
| Piperacillin | 3-4 g IV q4-6h | +++ | + | - | +++ | +++ |
| Piperacillin/tazobactam | 3.375 g IV q6h | +++ | +++ | +++ | +++ | ++ |
| Ticarcillin | 3 g IV q4h | +++ | - | - | +++ | ++ |
| Ticarcillin/clavulanate | 3.1 g IV q4h | +++ | +++ | - | +++ | ++ |
| Imipenem | 500 mg IV q6h | +++ | +++ | +++ | +++ | +++ |
| Meropenem | 1 g IV q8h | +++ | +++ | +++ | +++ | ++ |
| Cefuroxime | 1 g IV q8h | +++ | +++ | +++ | ++ | ++ |
| Ceftriaxone | 2 g IV bid | +++ | +++ | +++ | +++ | ++ |
| Cefotaxime | 2 g IV q4-6h | +++ | +++ | +++ | +++ | ++ |
| Ceftazidime | 2 g IV q8h | +++ | +++ | +++ | +++ | ++ |
| Gentamicin | 1.7 mg/kg IV q8h | - | +++ | +++ | ++ | - |
| Tobramycin | 1.7 mg/kg IV q8h | - | +++ | +++ | ++ | - |
| Vancomycin | 1 g IV q6-12h | +++ | - | - | - | ++ |

