| click here for details Keflex (U.S.N.L.M.) | |
|---|---|
| Dosing: (preseptal cellulitis, internal hordeolum and dacryocystitis) |
500mg po q6hr x 5 days¹ (longer if nec) (This is the adult dose for typical preseptal cellulitis without further systemic signs of infection) In general the adult dosage ranges from 1 to 4 g daily in divided doses. |
| Chem Specs | cephalexin |
| Quantities | 250mg, 500mg, 750mg capsules. 100, 200ml Bottles (250mg per 5ml) |
| Cost | 4.00/30/500mg |
| Class | 1st generation (moderate spectrum) cephalosporin (ß-lactam antibiotic) |
| Action | ß-lactam antibiotic - inhibits synthesis of bacterial cell wall. |
| Usage | Indicated for the treatment of skin structure and other infections caused by Staphylococcus aureus, Streptococcus pyogenes and other organisms. |
| Poor gram-negative coverage. Can cause a vitamin K deficiency. | |
| Contraindications | Known allergy to the cephalosporins. Possible penicillin cross-reactivity. (Consider Bactrim DS when MRSA is suspected and when cephalosporins and penicillin are contraindicated.) |
| Pediatric use | Safety and effectiveness established in specific dosages. (See package insert ) |
| Pregnancy | Category B |
| No activity against Pseudomonas, enterococci, methicillin-resistant staphylococci, Acinetobacter, Enterobacter, or Serratia. |