We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......

Benzodiazepines in a Health-Catalog Product

Robert L. DuPont, MD; Stuart C. Bogema, PhD
JAMA. 1990;264(6):695. doi:10.1001/jama.1990.03450060041024.
Text Size: A A A
Published online


To the Editor.—  A manufacturing company in the Northwest administered a routine preemployment drug test to a 56-year-old engineer. Its results were reported to the medical review officer by the testing laboratory as "positive for benzodiazepines" with the finding of oxazepam, 310 ng/mL, and nordiazepam, 150 ng/mL, on gas chromatography—mass spectrometry confirmation.The prospective employee convincingly denied any use of a prescription medicine, including a benzodiazepine. A repeated test was requested on the retained positive urine sample. It too was reported positive for a benzodiazepine.The prospective employee reported that he had regularly used a nonprescription health product obtained by catalog from a California address. It was a dark-brown, round pill labeled "NAN-LIEN CHUIFONG TOUKUWAN" that had been recommended to him by a colleague at work to treat his chronic neck pains. A sample submitted to the laboratory was analyzed by fullscan gas chromatography-mass spectrometry (Hewlett-Packard 5970). It was


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?




Also Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.


Some tools below are only available to our subscribers or users with an online account.

0 Citations

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

Related Content

Customize your page view by dragging & repositioning the boxes below.