2TheApex:  AAE Guide RIGHT HERE!  ADA Guides here!Key points to note:Antibiotic inadvertently NOT administered pre-operatively can be given up to two hours following treatment.If the patient is already taking an antibiotic, a different class antibiotic should be given for prophylaxis. (Example: Patient already taking Penicillin for days is not good enough and should be given another class of antibiotic acceptable for prophylaxis, i.e. Clindamycin 600mg)In general, NOT recommended for prosthetic joint implants unless specifically prescribed by the patient's orthopedic surgeon. Their surgeon should recommend the specific regimen and ideally write the RX for the patient when possible.(image: Staph. Aureus)