What should I do for aftercare following my blood test?

After your blood test, take good care of yourself. Although the medical professional will handle your sample carefully, you may experience side effects such as bruising or discomfort. Follow these steps to reduce any side effects:

  • Keep the dressing/plaster on your arm/hand clean, dry, and in place for 3 to 6 hours.
  • If bleeding occurs, apply firm pressure with your fingers, preferably using a clean cloth over the puncture site and elevate your arm/hand until the bleeding stops.
  • If you experience any bruising, pain, discomfort, or swelling in your arm/hand, elevate it and apply an ice pack (or a few ice cubes wrapped in a towel) over the affected area.

Seek medical advice if you experience:

  • Increasing or severe pain, inflammation, or bruising
  • Swelling that's not improving.
  • Pins and needles or a feeling of numbness in your arm, hand, or fingers
  • Coldness or paleness in your hand or arm



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