My nose is still swollen it's up to 3 weeks now from my rhinoplasty. How should I prevent swelling. (photos)

it's frustrating me plz

I had rhinoplasty up to 50 min . But it's three weeks now swelling has not gone from tip ? How much time does it take to heal completely? Or is my rhinoplasty failed ? Sir plz help i m very nervous . Plz sir

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