Why would Juvederm injected in the nasolabial folds migrate to the upper lip area?

It is very unusual to have fillers migrate and against the flow of gravity, is even more unusual. I recommend following up with your injector. If it is found to be Juvederm, it can be reversed with hyaluronidase. I hope this helps. 

No, Juvederm is unlikely to migrate. This is probably swelling, which can last 1-2 weeks after your procedure. If it persists, I recommend following up with your injector. If necessary, the Juvederm can be reversed with hyaluronidase. Keep in mind, nasolabial folds need a combination approach to get the most improvement. I recommend fillers for the folds themselves but also lifting around the mouth and cheeks to build underlying anatomical support. In our practice we combine sculptra with other fillers "layered" on top and lasers, rf treatments, J Plasma and peels to get the most conservative natural look. Please see a facial sculpting expert. Best, Dr. Emer

Juvéderm, or any hyaluronic acid filler, when injected correctly into the nasolabial folds, should not migrate into the upper lip.  It is possible that filler in the nasolabial fold can cause the upper lip to look heavier in comparison to the midface however.  It is important to keep in mind that causes of nasolabial folds are volume loss in and descent of the midface fat pad.  That is why a popular filler strategy for nasolabial folds is actually to fill, restore, and elevate the midface rather than the nasolabial fold itself directly.

There are different fillers with a different physical properties, some stay well within the injected area and some gently diffuse to the surrounding tissue; this, however, is not the true migration. Some fillers like Radiesse are known to migrate on occasion, downward. Is it possible that Juvederm has done it? Very unlikely, but one could never say it is impossible. If it bothers you it could be dissolved with hyaluronidase; otherwise, if it is due to the filler it will eventually disappear being metabolized overtime. Good luck!

Depending when the filler was injected you may still be experiencing swelling.  If you are concerned about the results of your treatment please follow up with your treating physician. Good luck with your recovery.

I do not expect Juvederm to migrate. You maybe noticing post procedure swelling if the treatment was performed recently. I would followup with your injector with any concerns. 

I don't think that the filler of any kind would migrate to an adjacent area especially in the nasolabial and lip region. Most likely this is all due to the swelling. The only area where fillers migrate is in the lower eyelid. Good luck from New York City