Usually nothing: The site is small and holding pressure for a few minutes is all that is required. Raising the arm may help some. Many will place a bandaid or small dressing to keep any ooze off clothes or surroundings a site for blood donation may be a bit larger and require longer pressure or occasionally a brief pressure dressing. Veins are low pressure.
Answered 8/25/2013
5.3k views
Cleanliness: Keep it clean and it necessary cover with a bandaid.
Answered 2/25/2013
5.3k views
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