### Patient: Doctor, I have an open wound on my arm, and it's really painful. What medication do I need to take?
### Doctor: You will need to take Lidocaine to reduce the pain. But, you will also need to take Cephalexin to prevent any infections from the wound. In addition, you will need a Tetanus Toxoid Vaccine (Adacel) to protect you from tetanus, and Bacitracin (Septa) to apply on the wound to prevent any bacteria from getting inside. You can also use Povidone Iodine Topical (Betadine) or Chlorhexidine Topical for antiseptic purposes. Finally, you may also need Cefazolin or Cefadroxil depending on the severity of the wound.