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After administering insulin subcutaneously, rotating the injection site is essential for several reasons. First and foremost, consistent use of the same injection site can lead to tissue damage and lipodystrophy, which are both complications that can affect insulin absorption and overall effectiveness. By rotating the site, you help ensure that absorption rates remain consistent and reduce the risk of localized complications.
Additionally, different areas of subcutaneous tissue may absorb insulin at different rates, so changing injection sites can help achieve more stable blood glucose levels. The abdomen, thighs, and upper arms are commonly used sites, and alternating among these can improve the overall management of diabetes and insulin therapy.
The other options do not address key aspects of post-injection care relevant to insulin administration. For example, keeping the injection site still may help minimize discomfort from the injection, but does not contribute to effective insulin management. Having the patient stand or lie down immediately after the injection is not commonly advised and may not impact the absorption of insulin.