Mother doesn't think she is OK.

my mom was in er this week with bronchitis. the dr gave her levoflacacine 750 mg for 5 days. her appetite isn't what it was she is eating however. she thinks something else is wrong with her that the drs or me are not saying. the dr said all the tests were normal she had which was urine, bloodwork, sputum,chest exray, ctscan of head,rectal hemocult test. she has anxiety guess what so do i with panic attacks.............. i don't know what to do please help