A drug test or drug screen helps detect the presence of certain illegal drugs or prescription medications in saliva, blood, urine, hair, or perspiration. Urine testing is the most commonly done drug testing because of its ease and faster results. Drug testing has various uses such as probation, legal or forensic purposes, custody, divorce, employee testing, court-ordered testing. Sports organizations also use it to check whether athletes have used performance-enhancing drugs. The most often tested substances include alcohol, steroids, amphetamines, barbiturates, cocaine, marijuana, and phencyclidine.
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Can a drug test be falsely negative due to excess intake of water?
Query: Hi doctor, I took a drug test and it came out negative, I am on Oxycodone 5 ml, Gabapentin, Methocarbamol and Lisinopril. How could it come out negative while taking these drugs? I drink a lot of water. Is this the cause? How does this happen? Please help. Read Full »
Answer: Hi, Welcome to icliniq.com. Two common potential causes for false negative opiate tests are using the wrong test for a specific opiate or having an insufficient concentration of an opiate in the sample. Other possible reasons can be due to dilution. For example, ingesting a substantial amount of wa... Read Full »
I smoked Marijuana 40 days ago. Can it be detected in the drug test?
Query: Hello doctor, I want to give a drug test in my organization as per the rules. I have taken weed (Cannabis or Marijuana) three puffs 40 days back. Will it show up during the test, or does it come negative? Can you please tell me? Read Full »
Answer: Hello, Welcome to icliniq.com. I have bad news and good news for you. The bad news is that it will show up in the test. The good news is if THC (Tetrahydrocannabinol), a product of Marijuana, is positive, it is not considered significant. THC is also present in normal air and can come positive for... Read Full »
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