I started out with a sinus infection on 1/2 was on amoxacillion for 6 days then minute clinic switched me to augmentin due to no improvement, after 10 days on augmentin i still was feeling bad so i took the remainder of my amox, went back to see my regular physician on wed 1/25, she put me on prednisone and the zpac, I am not noticing my chest is red, not a rash just red as if i were sunburned, other symtems include cough, headaches and still a lot of phlem, any ideas of wht this is?