Very bad blocked nose sore throat since last wedensday?

really bad head conjestion, difficult to breath, runny nose, slight dry cough - I spoke to Dr. by phone insisted on taking antiobotics for sore throat tonsilities but doesn't seem to be working - taken 8 tabs - 4 per day but still feeling the same - these symptoms started last wedensday evening - its now saturday night and still feeling the same. could it be swine flu?