I say get a 2nd opinion.
I had double pneumonia and was off from work for 5 weeks.

It started as bronchitis while I was on vacation and I was given the wrong anti-biotic.
In 3 days it developed into pneumonia in one lung, and when I got home
my Dr. prescribed the same anti-biotic in a stronger dose.
Soon I had double pneumonia. My Dr. baffeled called an infectious disease
Dr. in the same hospital and my anti-biotic was changed.
I was feeling better with-in a few days, and continually was
getting better with the new drug.
Make sure you are getting the right antibiotics.