sinusitis
"After a terrible flu, I had upper respiratory infection and sinusitis.  Was first on Z-pack, with no improvements, then on Levaquin which gave me horrible side effects, nausea, allergic reaction in the face, and extreme fatigue.  I was feeling worse than without the medicines, so got switched to Biaxin and right on day one I experienced lots of improvements.  I am on day two and feeling better, not 100% yet, but way better.  I do have the metallic taste and little bit of upset stomach, but probiotic is helping tremendously to control it.  I am going to try the dark chocolate tomorrow!  So far I am happy with the treatment."