I Have Been Dx With A Type A Flu Yesterday

I have been dx with a type A flu yesterday and was put on Tamiflu 75mg bid. I have been running a low grade fever of 100.4, with very sore throat and cough and h/a. Now my sputum is a ligh green. I am also on promethazine-dm6.25-15mg/5ml syrup every 8 hours for cough. The latest development is my sputum is green. Shouldn't I be put on an antibiotic now? I am allergic to Cipro.......is biaxin in the same group