Hyaluronic Acid Is Injected Into The Forehead, And A Big White Lump Bulges Up Where The Needle Goes In,

Different doctors use different techniques and needles, and the period of swelling can vary greatly. With sharp needle trauma is larger, bleeding is more, swelling recovery period is relatively longer, with blunt needle trauma is relatively small, there may be a little swelling in one or two days, but it is likely that others do not see, do not affect the work. In general, hyaluronic acid will swell a little more than other injections, because hyaluronic acid is very water-locked, water will be absorbed on the second day of injection, and the injection site will be hard to touch. After a week, it will be relieved, and after a month, it will be almost impossible to feel and become natural. If there is swelling and local fever three or five days after injection, it is usually infected, so we must go back to the doctor for treatment. In addition, there is abnormal pain or color change in the local area, which may be ischemic necrosis, we must also inform the doctor.

A few people have "delayed anaphylaxis," and many think they've had a fake product when they see swelling, a unique feature of hyaluronic acid injections. Some people suddenly have swollen chin or nose half a year or a year after injection, just like sucking water, and then recovered after two or three days. This situation is caused by cross-linking agent released by macromolecules in the process of degradation. This delayed anaphylaxis may occur directly several months after the injection, with higher molecular weight hyaluronic acid appearing six months, one year, and even two years after the injection.

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