[shanghaishuffle]

I have the symtoms of what I think is sinusitis. The immediate nasal passages are not clogged, but the sinus cavities and my head and ears feel full and blocked. No fever, but body weakness, lethargy.

I've recently moved to Shanghai and haven't established a Dr. here, but I do have some Cipro that my Dr. back in the US gave me. I have 14# of Cipro(floxacin) 500mg. I also have 3# of CiproXR 500mg.

I am trying to determine:
a. if I should even treat this with Cipro (is this a bacterial infection?)
and, if so, then
b. how much/what dosage of which one should I take?