Cross Reactions

Common Medications That Can Cause False Positives

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Generic Medication Name
Medication Brands
Tests Positive For
Acetaminophen with Codeine
Tylenol 3, Tylenol with codeine
Opiates (MOR, OPI)
Alobarbital
-
Barbituates (BAR)
Alphenol
-
Barbituates (BAR)
Alprazolam
Xanax
Benzodiazepines (BZO)
Amitriptyline
Elavil, Lentizol, Triptafen, Triptafen-M, Tryptizol
Tricyclic Antidepressants (TCA)
Amobarbital
Amytal, Tuinal
Barbituates (BAR)
Amphetamine/Methamphetamine
AMP: Adderall, Dexedrine, Benzedrine
M/AMP: Desoxyn, Didrex Eldepryl
Amphetamines/Methamphetamines
Aprobarbital
-
Barbituates (BAR)
Barbital
-
Barbituates (BAR)
Benzydamine
Difflam
Benzodiazepines (BZO 200 ng/mL)
Bromazepam
Lexotan
Benzodiazepines (BZO)
Benzodiazephines
-
Oxaprozin, Sertraline
Buprenorphine
Suboxone, Subutex, Temgesic
Buprenorphine (BUP)
Butabarbital
Butisol, Sonaryl
Barbituates (BAR)
Butalbital
Fioricet, Fiorinal
Barbituates (BAR)
Butethal
-
Barbituates (BAR)
Chlorazepate
Tranxene
Benzodiazepines (BZO)
Chlordiazepoxide
Librium
Benzodiazepines (BZO)
Clobazam
Frisium
Benzodiazepines (BZO)
Clonazepam
Clonopin, Klonopin, Rivotril
Benzodiazepines (BZO)
Codeine Phosphate
Codafen, Continus, Codeine Linctus, Galcodine, Kapake, Migraleve, Pediatric BP, Solpadol, Tylex
Opiates (MOR, OPI)
Cyclobenazprine
Flexeril
Tricyclic Antidepressants (TCA)
Cyprohetadine
Periactin
Tricyclic Antidepressants (TCA)
Delorazepam
Briantum
Benzodiazepines (BZO)
Dexamphetamine Sulphate
Adderall, Adderall XR, Dexedrine
Amphetamine (AMP)
Dextropropoxyphene
Co-proximal, Darvocet, Darvon
Propoxyphene (PPX)
Diazepam
Diazemuls, Stesolid, Valclair, Valium
Benzodiazepines (BZO)
Dihydrocodeine
DHC Continus, Paramol, Remedeine, Remedeine Forte
Opiates (MOR, OPI)
d-Methamphetamine HCL
Desoxyn, Methamprex, Methedrine
Methamphetamine (mAMP)
Dothiepin
Prothiaden
Tricyclic Antidepressants (TCA)
Doxepin
Sinequan, Xepin
Tricyclic Antidepressants (TCA)
Doxylamine
Nyquil
Methadone (MTD)
Duloxetine
Ariclaim, Xeristar, Yentreve, Duzela, Dulane, Cymbalta, Cymgen
Cocaine (COC)
Efavirenz
Sustiva
Cannabinoids (THC)
Estazolam
ProSom
Benzodiazepines (BZO)
Ethylmorphine
-
Opiates (MOR, OPI)
Flunitrazepam
Rohypnol
Benzodiazepines (BZO)
Halazepam
Alapryl, Pacinone, Paxipam
Benzodiazepines (BZO)
Hydrocodone
Loratab, Lorcet, Vicodin
Opiates (MOR, OPI), Oxycodone (OXY)
Hydromoprhone
Dilaudid, Hydrostat
Opiates (MOR, OPI), Oxycodone (OXY)
Koalin and Morphine Mixture
Diocalm, Entersan, Opazimes
Opiates (MOR, OPI)
I-Methampetamine HCL
Vick's Inhaler
Methamphetamine (mAMP)
Lofepramine
Gamanil, Zestoretic
Tricyclic Antidepressants (TCA)
Lamotrigine
Lamitcal
PCP
Lorazepam
Ativan
Benzodiazepines (BZO)
Lormetazepam
Noctamide
Benzodiazepines (BZO)
Medazepam
Anxitol, Lerisum, Medacepan, Nobritol, Nobrium
Benzodiazepines (BZO)
Methadone Hydrochloride
Dolophine, Methadose, Physetone
Methadone (MTD)
Methylenedioxyamphetamine (MDA)
Eve (slang), Love Drug (Slang)
Amphetamine (AMP), Ecstasy (MDMA)
Methylenedioxymethamphetamine (MDMA)
Adam (slang), E (slang), Ecstasy (slang) XTC (slang)
Methamphetamine (mAMP), Ecstasy (MDMA)
Methylphenidate
Daytrana, Concerta, Methylin, Ritalin
Amphetamine (AMP), Methamphetamine (MET), Methylenedioxymethamphetamine (MDMA)
Morphine
Astramorph, Cyclimoprh, Duramorph, Morcap, Morphine Sulfate, MS Contin, Oramorph, Roxanol, Severedol
Opiates (MOR, OPI)
Nitrazepam
Mogadon, Somnite
Benzodiazepines (BZO)
Oxycodone
Oxycontin, Percodan, Roxicet
Oxycodone
Oxazepam
Ox-pam, Serax
Benzodiazepines (BZO)
Paracetamol (Acetaminophen)/Codeine Preparations
Co-codamol, Codafen, Co-dydramol, Kapake, Remedine, Solpadol, Tylenol 3, Tylex
Opiates (MOR, OPI)
Pentobarbital
Nembutal
Barbituates (BAR)
Phencylidine
PCP
Thioridazine, Chlorpromazine, Doxylamine, Lamotrigine
Phenobarbital
Donnatal
Barbituates (BAR)
Phenobarbitone
Luminal
Barbituates (BAR)
Phenytoin
Dilantin, Epanutin, Epitard
Barbituates (BAR)
Pholcodine
Galenphol, Pavacol-D, Strong BP, Thebacon
Opiates (MOR, OPI)
Prazepam
Centrax, Demetrin
Benzodiazepines (BZO)
Promethazine
Allerfen, Anergan, Antinaus, Aprobit, Avomine, Baymethzine, Diprozin, Fenergan, Methazine, Pamagren 100, Phenergen
Tricyclic Antidepressants (TCA)
Pseudoephedrine
Afrinol, Sudafed, Tylenol Cold
AMP/M-AMP
Ranitidine
Pylorid, Zantac
Methamphetamine (M-AMP)
Secobarbital
Seconal
Barbituates (BAR)
Sertaline
Zoloft
Benzodiazepines (BZO)
Temazepam
Restoril
Benzodiazepines (BZO)
Triazolam
Halcion
Benzodiazepines (BZO)
Venlafaxine
Effexor, Effexor XL
Phencyclidine (PCP)
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