click here for details           Keflex   (U.S.N.L.M.) | |
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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. |