Causes Of Hypodermic Needle Injection Bulge

Hypodermic injection of bulge is a normal phenomenon under normal circumstances. First, the bulging that appears immediately after local subcutaneous injection is generally considered to be the accumulation of drug liquid in the local tissues, the subcutaneous venous system, and the lymphatic system did not absorb the fluid in time, resulting in bulging. It can be treated by local physical massage, infrared light irradiation and other treatments, and it will disappear soon under normal circumstances. Second, there are still bulges a few days after the injection. Considering the nodule hyperplasia caused by local inflammatory exudation, the treatment effect can also be achieved by local hot compress, massage, infrared light irradiation, etc. Third, if there are still blisters after two weeks, it is considered to be caused by the formation of subcutaneous scar tissue.

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