What Drugs are Detected in a Drug Screening?
Drug screening is generally used by employers to test probable new workers for the presence of prohibited drugs and alcohol. Drug screening is also conducted if an accident happened in the workplace. It will identify if the person involved was under the influence of drugs when the accident happened. Drug screening is done by taking a sample of hair, urine or blood and sending it to a credible medical laboratory to validate whether the sample provided contains alcohol or prohibited drugs content. Various drugs have proven that it can stay in the system for a day after the usage. Prevention from the use of illegal drugs and alcohol is an intelligent decision for any person in search of a new place for employment. Here are the kinds of drugs that can be detected in drug screening:
- Marijuana – Marijuana is usually tested in drug screening. Rare use of marijuana can be identified by urine tests if it has been used within the last three to five days. Intense use of marijuana can be detected from three to four weeks after the last use when urine testing is conducted. Hair testing can spot any usage up to three months after use. Blood and saliva testing can only identify very latest use and known as the least precise procedure.
- Cocaine – Cocaine is often times tested in drug screening. Through urine drug test, cocaine (including crack) can be spotted two to five days after use. A blood or saliva-based test can also detect cocaine within the last five days. And the most advisable method for identifying cocaine is through hair testing for the reason that it can detect the content up to 90 days after the last usage.
- Methamphetamine – Methamphetamine is frequently tested for in drug screens. Methamphetamine can be spotted in a urine drug test three to five days after the last usage. A hair drug screen can identify the drug up to 90 days after the last usage.
- Heroin – Heroin is almost constantly tested for in a drug screen. It can be spotted in urine up to four days after the last usage. Heroin can be identified in blood and saliva after two days of usage. It can be shown in hair drug screening 90 days after the last use.
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