Every drug has its own unique drug half life which can be used to determine if a person has ingested the substance recently. Whether illicit or legally prescribed, a drugs half life is the amount of time which is required for the trace concentration of a drug within the red blood cells to be reduced by one half. Simply put, a half life is the duration of time it takes for half the amount of a drug to leave the body. Heavy or consistent drug use will increase the half life of the drug while infrequent users will expel the toxins from their body at a faster rate.
Half life of the most commonly abused illicit drugs follows: Regular marijuana users retain a drug half life of 10 days while sporadic users have a THC half life (the active and traceable component in marijuana) of only 2 days. The half life of methamphetamines is 15-20 hours while the drug half life of cocaine is between 1-2 hours.
Half life of the most commonly abused prescription drugs follows: The painkiller opiates, such as Vicodin, hydrocodone, hydrocodeine, oxycontin, Percocet, and oxycodone all have a half life between 4 and 6 hours. Anti-anxiety benzodiazepines such as Xanax and Valium have a half life between 14-18 hours.
Understanding the differences between the half lives of drugs is essential when determining the best method for drug testing. Urinalysis and urine test strips work best for drugs with longer half lives such as marijuana and opiates while hair follicle drug tests will still show traces of drug use amongst quickly expelled drugs such as cocaine and methamphetamine. When trying to uncover and stop substance use and abuse, considering the half lives of each drug will enable you to find the most precise drug testing kit for accurate results unique to your situation.
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Source: http://www.a1articles.com/article_1362764_17.html
Half life of the most commonly abused illicit drugs follows: Regular marijuana users retain a drug half life of 10 days while sporadic users have a THC half life (the active and traceable component in marijuana) of only 2 days. The half life of methamphetamines is 15-20 hours while the drug half life of cocaine is between 1-2 hours.
Half life of the most commonly abused prescription drugs follows: The painkiller opiates, such as Vicodin, hydrocodone, hydrocodeine, oxycontin, Percocet, and oxycodone all have a half life between 4 and 6 hours. Anti-anxiety benzodiazepines such as Xanax and Valium have a half life between 14-18 hours.
Understanding the differences between the half lives of drugs is essential when determining the best method for drug testing. Urinalysis and urine test strips work best for drugs with longer half lives such as marijuana and opiates while hair follicle drug tests will still show traces of drug use amongst quickly expelled drugs such as cocaine and methamphetamine. When trying to uncover and stop substance use and abuse, considering the half lives of each drug will enable you to find the most precise drug testing kit for accurate results unique to your situation.
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Source: http://www.a1articles.com/article_1362764_17.html
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