74 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Amphetamine false ... Cannabinoid false ... Benzodiazepine false ... • Sulpiride • Tramadol
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... Ibuprofen, Ketamine, Tramadol
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... thioridazine, tramadol ... , quetiapine #False
Tramadol, TramaDONT - Reasons to Avoid Prescribing Tramadol
Highly Variable Opioid Effects: 
 - Low, poor and
Tramadol, TramaDONT ... Avoid Prescribing Tramadol ... ChillaPharmD #Tramadol ... #TramaDONT #pharmacology
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... Transfusions == False ... Transfusions #False
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... NSAlDs resulting in false-positive ... not result in false
Intern Pocket Cards - Pharmacologic Pain Management Options
Anti-inflammatory:
 • Acetaminophen (24 hours: < 3-4g in healthy
hydromorphone, fentanyl, tramadol ... Fentanyl 0.15 IV • Tramadol
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity False-Positive ... False-Negative
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false