Under eye twitching around 3 week after Restylane filler to tear trough. Is this normal?

It is normal to experience some asymmetry when healing from injections. Swelling and bruising can last approx. 2 weeks. Sleep with your head slightly elevated and apply ice packs for 10 mins several times a day to reduce swelling. Use your best judgement, if the area is getting worse...

Swelling is a common side effect from nasolabial fold injections. Swelling peaks at 24-48 hours. Sleep with your head slightly elevated to reduce swelling. Best of Luck. 

I think it is pretty much impossible that Juvederm could migrate from the tear trough into the upper eyelid.  An ultrasound can not identify a product.  If it is actually juvederm you can use hyaluronidase to remove it.  There should be no contraindication to this and...

First let me say that I am sorry that you are worried. The good news is that bruising and swelling, if and when they occur following treatment with injectable fillers, are temporary--typically lasting only a few days--and do not effect the final aesthetic result. Icing, the use of oral and/or...

Filler can migrate if it not injected properly.  If you have any visual changes you should seek treatment immediately by contacting your physician or going to a local emergency room.  The chance the filler is responsible for a change in vision is very uncommon if injected deeply into...