Heres my "story"

My mom (age 56) was sick a while back with a sore throat. She went to
DR and s/he gave her an anitbiotic to fix her. Soon after (a week?)
and she came down with a bladder infection from said meds. SSSOOOO
they give her CIPRO. She starts taking and in a matter of days ended
up with extreme swelling in wrists / hands. after 7 days I convince
her to stop taking meds and go back to Dr. They say of maybe (?) a
reaction to cipro so stop taking. Her sympton are still there and now
have moved to elbows and the legs and everywhere. Now they are telling
her she has RA.
Its funny (not even a little) that she never had any RA symptoms before
taking cipro.

My question is do you know of any other cases like this?
Could it be RA?
Could it be floride poisoning?
WHAT DO WE DO????

Please any help would be truly appreciated.
an aside mom and i are both from MI.
Thank You!