Doctors can tell many tales of what they term as a difficult encounter.  Just as many patients can recall doctors whom they would say are difficult to work with as well.

Patients deemed difficult included those with more than five symptoms, severe symptoms or an underlying mental disorder or were less functional. These patients were less likely to fully trust or be satisfied with their physician, and they were more likely to report a worsening of symptoms two weeks after their visit.

Read more: http://www.kevinmd.com/blog/2011/03/difficult-patient-doctors-responsible.html