14 days of diflucan (fluconazole) followed by 10 days of augmenting and my belly button is still infected. help!

Skin infection: Many times certain infections are resistant to the antibiotics prescribed and you might need alternative ones. You need reevaluation with your prescriber in order to check how the area looks and probably get another family of antibiotics prescribed if needed.

Culture my be needed: Sounds like you have a persistent infection my be from instruments used for pricing , did not respond to Augmentin (amoxicillin and clavulanate) which is a broad spectrum antibiotic, then culture my be needed to determine affecting bacteria and prescription of the proper antibiotic required..