This treatment is performed to relieve skin inflammation for people who used to have filler injection, and were unsatisfied with the result, or for people who suffer with a fascia from a deteriorated filler that can harm the skin and the nerves, or cause sepsis. There are several risks of filler removing, such as having some filler remain, since the filler is adhered with a fascia. However, the risks are different between individuals; therefore you have to consult with your surgeon before the decision, in order to prevent long term problems that might occur.
Cold compress on swelling area.
Take antibiotics as prescribed by your surgeon.
Follow up with your surgeon.