Should I take antibiotics before surgery?

Thank you for your question.  Antibiotics are generally not prescribed prior to surgery, unless you have a certain medical condition that requires the use of them before a procedure.  Please check directly with your plastic surgeon to verify.  My patients get a prescription for an oral antibiotic that is to be started after surgery.  You will also be given an IV antibiotic at the hospital prior to your surgery.  Best of luck to you.

You should follow the advice of the surgeon who is operating on you.
In generalI I would not advise a fit and healthy individuals to take antibiotics before surgery unless there was a specific indication such as a chest infection. 
Antibiotics can cause harm as well as good. If you take antibiotics when you are otherwise well you encourage the development of antibiotic resistant bacteria on or in your body. This means that should you develop an infection after your surgery it is more likely to be with an antibiotic resistant bacteria and so it may be more difficult to treat.
Antibiotics  can also cause problems such as diarrhoea or thrush which may weaken your body leading up to your surgery.
Most surgeons will give you antibiotics around your surgery usually starting at the beginning of your operation once you are asleep. You should follow their advice for antibiotics.
Best wishes