Swelling can be normal after a facial filler. It may signify excessive bleeding or rough injection technique from the injector. There are rare cases of isolated allergic reactions at 1 in 2000 which manifests as local swelling, redness, or tenderness over time Tips to decrease swelling after NASHA facial fillers:
- Ice- Especially immediately after the injection
- Avoid medications which can promote bruising and bleeding
- A gentle touch by the injector
- Antihistamine post procedure- particularly after lip augmentation, there is a dramatic reduction in swelling. The best antihistamine for this is Benadryl, but it can make you sleepy.



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