Yes, it can. The antibiotics kill bacteria...and they do so by disrupting cell walls, or attacking DNA in the cell nucleus.
The mitochondria in the cells are descendents of bacteria that were incorporated into cells eons ago as symbionts...to help provide energy in return for a place to live. The antibiotics attack them as well. Short courses of antibiotics are not thought to be problematic, but longer treatments, can be very damaging.
It all depends on the person and that person's genetics.
The fluoroquinolones are very toxic to DNA....so even short courses are potentially problematic. They also have a warning for the elderly, as they enter the brain and cause damage there as the doses go up. 750mg is contraindicated in people over 50 or so.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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