Doxycycline (Vibramycin) for Cellulitis
Cellulitis is a relatively deep skin infection and involves the dermis and subcutaneous tissue and fat layer. A typical symptom is painful swelling with erythema that is hot and tender to touch. Staphylococcus aureus and Streptococcus species are the major causes of cellulitis 1.
Most guidelines for managing mild or moderate cellulitis recommend flucloxacillin, dicloxacillin, or cephalexin as first-line antibiotics3-4. Severe cellulitis may require parenteral therapy.
Doxycycline is a good choice for cellulitis due to S. aureus, particularly methicillin-resistant strains (MRSA), but it has poor anti-streptococcal activity2.
If cellulitis is accompanied by abscess or purulent drainage, there is a greater chance that it could be due to MRSA. Cellulitis by itself, without any abscess, is usually due to Streptococcus species.
Doxycycline dosage for cellulitis: 100 mg twice daily for 10 days.
As doxycycline has poor activity against streptococci it is often combined with amoxicillin or cephalexin.
Author: OriginalDrugs Team