VA/DoD CLINICAL PRACTICE GUIDELINE FOR OPIOID THERAPY FOR CHRONIC PAIN
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<strong>VA</strong>/<strong>DoD</strong> Clinical Practice Guideline for Opioid Therapy for Chronic Pain<br />
Table B-3. Summary of Agents Potentially Contributing to False Positives [189-194]<br />
Agent<br />
Marijuana metabolites<br />
• dronabinol<br />
• efavirenz<br />
Summary of Agents Potentially Contributing to False Positives<br />
• NSAIDs 1<br />
• proton pump inhibitors<br />
Cocaine metabolites • coca leaf teas • topical anesthetics containing cocaine<br />
Opioid<br />
metabolites<br />
Amphetamines/<br />
Methamphetamine<br />
(high rate of false<br />
positives)<br />
• dextromethorphan<br />
• flouroquinolones<br />
• levofloxacin<br />
• amantadine<br />
• benzphetamine<br />
• brompheniramine<br />
• bupropion<br />
• chlorpromazine<br />
• desipramine<br />
• dextroamphetamine<br />
• doxepin<br />
• ephedrine<br />
• fluoxetine<br />
• ofloxacin<br />
• poppy seeds<br />
• poppy oil<br />
Benzodiazepines • oxaprozin • sertraline<br />
Barbiturates • ibuprofen • naproxen<br />
Methadone<br />
• chlorpromazine<br />
• clomipramine<br />
• diphenhydramine<br />
• isometheptene<br />
• isoxsuprine<br />
• labetalol<br />
• l-methamphetamine (OTC<br />
nasal inhaler)<br />
• methylphenidate<br />
• MDMA<br />
• phentermine<br />
• phenylephrine<br />
• doxylamine<br />
• ibuprofen<br />
• quetiapine<br />
• hemp foods: tea, oil 2<br />
• rifampin<br />
• quinine<br />
• propanolamine<br />
• promethazine<br />
• pseudoephedrine<br />
• ranitidine<br />
• selegiline<br />
• thioridazine<br />
• trazodone<br />
• trimethobenzamide<br />
• trimipramine<br />
• thioridazine<br />
• verapamil<br />
Alcohol • mouthwash • short-chain alcohols • OTC cough products<br />
(isopropyl alcohol)<br />
1 Detection time for most drugs in urine is 1-3 days<br />
2 Long-term use of lipid-soluble drugs (THC, diazepam, ketamine) can be detected for a longer period of time<br />
Abbreviations: NSAIDs: non-steroidal anti-inflammatory drugs; MDMA: 3,4-methylenedioxy-methamphetamine;<br />
OTC: over the counter; THC: tetrahydrocannabinol<br />
February 2017 Page 77 of 192