Establish drainage through incision and drainage (I&D) or endodontic access. Prescribe antibiotics if systemic signs present. Follow with root canal therapy or extraction.
| Medication | Adult Dosage | Pediatric Dosage | Duration (Days) | Type |
|---|---|---|---|---|
| Amoxicillin | 500 mg every 8 hours OR 875 mg every 12 hours | 20-40 mg/kg/day in divided doses | 7-10 days | First-line |
| Penicillin VK | 500 mg every 6 hours | 25-50 mg/kg/day in divided doses | 7-10 days | First-line |
| Clindamycin | 300-450 mg every 6-8 hours | 10-30 mg/kg/day in divided doses | 7-10 days | First-line |
| Azithromycin | 500 mg day 1, then 250 mg daily for 4 days | 10-12 mg/kg day 1, then 5-6 mg/kg daily for 4 days | 5 days | Alternative |