The doctor-patient relationship is based on trust. The patient trusts the doctor. The doctor trusts the patient. This two-way street is undermined by urine drug testing. When a patient is presented with a cup, the doctor is in essence telling the patient that "I do not trust you". Because of this, I have been and continue to be uncomfortable about urine drug testing in medical clinics. For years, I have relied on my observational skills to determine if someone is showing signs of inappropriate...

