Her nose was stuffy and she couldn't breathe properly. I've already experienced how hard and frustrating it was, so I'm going to think about her surgery if she doesn't get better.
My daughter suffered from sinusitis, so I took her to an ENT clinic. I had sinus surgery when I was in high school.I felt sorry because sinusitis can be hereditary
Her nose was stuffy and she couldn't breathe properly. I've already experienced how hard and frustrating it was, so I'm going to think about her surgery if she doesn't get better.
Corrections:
My daughter suffered from sinusitis, so I took her to an ENT clinic. I had sinus surgery when I was in high school. I felt sorry because sinusitis can be hereditary
Her nose was stuffy and she couldn't breathe properly. I've already experienced how hard and frustrating it was, so I'm going to think about her surgery if she doesn't get better.
Remarks:
All is correct. No mistakes aside from the punctuation.
