76 results
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... Barbituates - Ibuprofen ... hemp-containing foods, ibuprofen ... diphenydramine, ibuprofen ... , quetiapine #False
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Amphetamine false ... medication like ibuprofen ... positives: • Ibuprofen ... positives: • Ibuprofen
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... Barbiturates • ibuprofen ... thioridazine, ibuprofen ... mainly consist of ibuprofen
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... Diphenhydramine, Ibuprofen
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
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
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
pericarditis is high dose ibuprofen
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false
Therapeutic Advantages and Disadvantages of some NSAIDs
Salicylates: Aspirin, Salicylate salts, Diflunisal
Acetic acids: Indomethacin, Sulindac, Tolmetin
Propionic acids:
Propionic acids: Ibuprofen