Kenalog injection 11 weeks after rhinoplasty? Is it fine?

I had rhinoplasty done 10 weeks before . 4 weeks prior I had got fractional co2 laser on nose because of my uneven and thick skin but swelling on tip is still there ? Now surgeon is asking me to inject some kenalog injection to subside the swelling. I hope it works. Am I getting the right thing done? And would swelling be shill there after kenalog injection

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