How you prepare

By Mayo Clinic Staff

Before the skin biopsy, tell your doctor if you:

  • Have been diagnosed with a bleeding disorder
  • Have experienced excessive bleeding after other medical procedures
  • Are taking blood-thinning medications, such as aspirin, aspiring-containing medications, warfarin (Coumadin) or heparin
  • Have a history of skin infections, including impetigo
  • Are taking medications that suppress the immune system, such as diabetes medications or medications used after an organ transplant
Feb. 16, 2013