Antibiotics

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So I just finished 7 days of ciprofloxacin for an infection in my csection cut. I stoped nursing my 1 month old because my obgyn said that it wasn't safe to nurse while taking the antibiotic. How long after taking this antibiotic Can start nursing? Is 24 hours long enough for it to be out of my system? I finished my last dose on 12/18 at 2:30pm