This is Dr. David
what is even better is getting a skin culture and wound culture to know what bacteria is growing on the skin.
there can be rare skin infections like MRSA which can be resistant to penicillin and other antibiotics and this should be known prior to prescription antibiotics for the patient.
a skin culture can tell for sure what is growing on the skin.
you could still have a sinus infection which might require oral antibiotics.
let me know if you have other questions.
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