Risks and precautions None. No changes necessary. No changes necessary. You may be asked not to take this medication before the test. If the wound has been bandaged, it may smell foul when the bandage is removed.
Discomfort disappears when the test is finished.
Equipment used Sterile cotton swabs. Syringe with needle. Sterile culture tube. Description of test Wound is pressed. Fluid expressed from wound is swabbed with sterile cotton swab.