4U Health Drug Tests measure either 78 targets in urine or 54 targets in saliva.
– Urine drug tests have a longer window to detect past drug use (1-10 days).
– Saliva drug tests are more convenient to administer, have a faster detection time (6 hours to 6 days), allow observation of sample collection, and do not require an on-demand urine sample.
Review the targets and detection windows to find the right test for your needs.
Antidepressants
Amitriptyline (Elavil) | 
Citalopram (Celexa) | 
Clomipramine (Anafranil) | 
Desipramine (Norpramin) | 
Doxepin (Silenor) | 
Duloxetine (Cymbalta) | 
Fluoxetine (Prozac) | 
Imipramine (Tofranil) | 
Nortriptyline (Pamelor) | 
Sertraline (Zoloft) | 
Venlafaxine (Efexor) | 
5-7 Days
3-4 Days
5-7 Days
3-4 Days
3-4 Days
1-2 Days
5-7 Days
3-4 Days
5-7 Days
3-5 Days
5-7 Days
4-6 Days
3-4 Days
4-5 Days
2-3 Days
3-5 Days
1-2 Days
2-3 Days
2-3 Days
4-6 Days
2-3 Days
1-2 Days
Benzodiazepines
Alprazolam (Xanax) | 
Alpha-Hydroxyalprazolam (Xanax Metabolite) | 
Clonazepam (Klonopin) | 
7-Aminoclonazepam (Klonopin Metabolite) | 
Diazepam (Valium) | 
Nordiazepam (Valium Metabolite) | 
Oxazepam (Serax, Valium Metabolite) | 
Temazepam (Restoril, Valium Metabolite) | 
Flunitrazepam (Rohypnol) | 
7-Aminoflunitrazepam (Rohypnol Metabolite) | 
Lorazepam (Ativan) | 
2-4 Days
2-4 Days
24 Hours
3-5 Days
< 24 Hours
2-4 Days
2-5 Days
1-4 Days
1-2 Days
2-3 Days
3-5 Days
6-48 Hours
-
6-48 Hours
6-48 Hours
4-5 Hours
6-48 Hours
6-48 Hours
6-48 Hours
-
-
2-4 Days
Opiates & Opioids
6-Monoacetylmorphine (Heroin Metabolite) | 
Codeine | 
Fentanyl | 
Hydrocodone (Vicodin) | 
Hydromorphone | 
Meperidine (Demerol) | 
Morphine | 
Norfentanyl | 
Norhydrocodone (Hydrocodone Metabolite) | 
Normeperidine (Pethidine Metabolite) | 
Noroxycodone (Oxycodone Metabolite) | 
Oxycodone (OxyContin) | 
Oxymorphone (Opana) | 
Tapentadol (Nucynta) | 
Tramadol (Ultram) | 
o-Desmethyltramadol (Tramadol Metabolite) | 
24 Hours
2-3 Days
1-4 Days
2-3 Days
2-3 Days
1-2 Days
2-3 Days
1-4 Days
2-5 Days
1-2 Days
2-3 Days
2-3 Days
2-3 Days
3-5 Days
2-4 Days
2-4 Days
6-24 Hours
2-3 Days
1-3 Days
1-3 Days
2-3 Days
2-3 Days
2-3 Days
2-3 Days
1-2 Days
2-3 Days