Talk to Dermatologist on Side Effects Of Antibiotics

hello everyone,, due to skin infection cellulits dermatologist prescribed me antibiotics like ciprofloxin and levofloxacin 500 mg daily for 2 to 3 months,,now the problem is I don't think my body is as same as it was before, I am tired every time,,I can't have any energy in my body,seems like something is missing in my body even if I offer prayer namaz I feel pain and tiredness in my tests,,,what's wrong with me please guide me what should I do ? I think its all side effects of taking antibiotics for longer period of time but a physician would better know.