You should check your insurance policy, which usually comes with your
initial welcome package, and sometimes you can find it online. Routine
primary care is covered in most insurance policies, and that is really what
you need at this point.
Low grade fever, night sweats, weight loss are quiet signs for bad problems.
You should try to see a doctor even if you don't have all three of them,
simply because you seems very concerned. Many big cities have health
centers which offer low cost health