question: I ve been fighting a bad sinus infection and cough for over 3 weeks. I finished a round of Augmentin and prednisone about a week ago and have still been coughing phlegm and very congested. I went back to my PCP today and she prescribed 5 days of prednisone and levofloxacin 500 mg. I ve taken one, but after reading the warnings and several reviews I m scared to stay on it. I m 64. What are other antibiotics to take with less severe side effects to clear out this infection and cough?