Zmax Compared to Augmentin in Sinusitis

Inclusion Criteria: * A clinical diagnosis of acute uncomplicated bacterial maxillary sinusitis as demonstrated by presence of the following cardinal signs and symptoms for a minimum duration of 7 days, and no longer than 30 days: * Facial pain, pressure and/or tightness over one or both maxillary sinuses, and/or pain in one or both maxillary areas that worsens with movement or percussion, and * Presence of one or more of the following signs: * Discolored (yellow-green) nasal discharge * Discolored (yellow-green) drainage in the posterior pharynx * Discolored (yellow-green) discharge from the maxillary sinus orifice * Two or more of the following symptoms are present: * Fever, as defined by: * Oral temperature: \>38C or \>100.4F, or * Tympanic temperature: \>38.5C or \>101.2F * Frequent coughing * Nasal congestion, * Post-nasal drainage. Exclusion Criteria: * Treatment with any systemic antibiotic within 30 days prior to enrollment * Symptoms of sinusitis lasting for longer than 30 days; * Four or more episodes of acute sinusitis within the preceding 12 months;