2 months post septoplasty, turbinate reduction, and rhinoplasty. Bleeding in one nostril while I cleaned?

5 days ago i started noticing a little blood when i snizze, and when i clean mi nose with cotton swab (deep) the tips come out with fresh red blood, i actually saw my doctor 3 days ago, she said it was maybe couse by sneezing or a crust, and that i was normal and nothing to worry... but it still happening. Should i worry? Could it be something else?

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