Commercial laboratory, hospital, doctor's office. No changes necessary. No changes necessary. No changes necessary. Don't be disturbed by them.
Discomfort disappears when the test is finished.
Sterile gauze pads or filter paper. Normal saline solution. If possible, one or both parents should accompany the child to this test. Bring a favorite book or toy to keep the child from becoming nervous or frightened. This procedure should be done on the right arm or thigh not on the left.