I have never tried to get a medical diagnoses but from stories on CZ it appears to be quite difficult. I was fortunate to discover a large Ascaris
in the toilet. This was enough of a diagnoses for me.
We all have parasites. The question is how bad are we infested. You may want to try a 30 day cleanse and see how you do.
You can click on my avatar to see what I did to improve my health.