359 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Drug Tests Urine ... Amphetamine false ... Cannabinoid false ... Benzodiazepine false
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... Positives on Urine ... (High Rate of False ... not result in false ... FalsePositives #Urine
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... examination, check urine ... uric acid: - Urine ... hyponatremia - Urine ... #Differential #Algorithm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... Status, Check Urine ... Na, Urine Osm ... #Hyponatremia #Algorithm
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... Urine Output > ... Water Diuresis (Urine ... Mixed Diuresis (Urine ... Differential #Diagnosis #Algorithm
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Measurement of urine ... Differential Diagnosis Algorithm ... Hypophosphatemia #urine ... Differential #Diagnosis #Algorithm
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... blood cells on urine ... Must exclude false ... Differential #Diagnosis #Algorithm
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... , quetiapine #False ... Positive #UDS #Urine
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Urine Drug Screens ... that may cause false ... Diphenhydramine #Urine
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Differential Diagnosis Algorithm ... Decreased Serum K, Urine ... Decreased Serum K, Urine ... obstruction • Urine ... Differential #Diagnosis #Algorithm