Expect some transient swelling after Restylane injections
It is normal to have some transient swelling after injections. The swelling is due to two causes.
First, anytime you have localized trauma (the injections), then the tissues develop edema (swelling) as a response to the injury.
Second, the molecules which are injected are hydrophilic (water loving) which means they attract water within the tissues. This effect equilibrates over a few days.
However, if this does not resolve after a few days, you should go back and see your doctor. ...