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Drug Detection Timeframe – how long will I be positive?

This is one of the most frequently asked questions in drug testing.

Drug detection time frames are dependent upon individual metabolism, hydration, administration route, strength and quantity of drug consumed (in addition to cut-off level applied in the test).

Detection time frames (approximate) as follows (note that these can vary considerably and are provided as a rough approximation only);

 

SUBSTANCE ADMINISTRATION ROUTE EXAMPLES OF PROPRIETARY OR STREET NAMES MEDICAL USES APPROX DETECTION IN URINE APPROX DETECTION INSALIVA
Alcohol Oral Beer, Wine, Spirits Antidote for methanol poisoning 6-10 hours 12 hours
Amphetamine Injected, oral, smoked, sniffed Dexamphetamine, Black Beauties, Crosses, Hearts Attention deficit hyperactivity disorder (ADHD), obesity, narcolepsy 1-3 days 12 hours
Cocaine Injected, smoked, sniffed Coke, Crack, Flake, Rocks, Snow Local anaesthetic, vasoconstrictor limited medical use in Australia 0.5-3 days 2-5 days
Methylamphetamine\ MDMA Injected, oral, smoked, sniffed Crank, Crystal, Glass, Ice, Ecstasy None in Australia 1-3 days 1-3 days
THC; Marijuana (Casual Use) Oral Smoked Grass, Herb, Hash, Hash Oil, Pot, Reefer, Smoke, Weed Doctor’s prescription 1-2 days up to 24 hrs
THC; Marijuana (Moderate Use) Oral Smoked Grass, Herb, Hash, Hash Oil, Pot, Reefer, Smoke, Weed Doctor’s prescription up to 10 days up to 24 hrs
THC; Marijuana (Chronic Use) Oral Smoked Grass, Herb, Hash, Hash Oil, Pot, Reefer, Smoke, Weed Doctor’s prescription 10-42 days up to 24 hrs
Opiate; Codeine Injected, oral Aspalgin, Codiphen, Codis, Dymadon, Panamax Co, Mersyndol, Panadeine, Panalgesic Analgesic, pain relief 1-2 days 2-3 days
Opiate; Heroin Injected, oral, smoked Diacetylmorphine, Horse, Smack None 1-2 days 1-2 days
Opiate; Morphine Injected, oral, smoked Anamorph, Kapanol, Morphalgin, MS Contin, Sevredol Chronic Pain 1-2 days 1-2 days
Benzodiazepines Injected, oral Diazepam (Valium), Oxazepam (Serepax), Temazepam (Normison),  Alprazolam (Xanax), Flunitrazepam (Rohypnol, Roofies), Clonazepam (Rivotril), Nitrazepam (Mogadon) Anxiolytics, anticonvulsant, hypnotic, sedative 1-12 days 16-48 hours