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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I take 5 mg of Dextro-amphetamine, and the drug test threshold is 1000 ng/mL. Is it normal?
Query: Hi doctor, I take 5 mg of Dextro-amphetamine (low-dose Adderall) daily as prescribed. I have to take a monthly drug test. However, my results consistently show negative for Amphetamines which is a problem because they see I have a prescription for Dextro-amphetamine. Yet, it appears I am doing somet... Read Full »
Answer: Hi, Welcome to icliniq.com. I understand your concern. Amphetamine excretion increases with increasing urine flow. Therefore, high urine flow (due to over-drinking water or diuretic drugs) will increase excretion. Hence not detectable in urine. The excretion is also increased with acidic urine pH. ... Read Full »
I took Vicodin. How long will it take to clear from my system?
Query: Hi doctor, I took 60 mg of Vicodin over two days down for pain. I have a drug test coming up. How long will it take to clear in my system? I am 25 years old, 5'9" height and 165 lbs weight having a pretty fast metabolism. Read Full »
Answer: Hello, Welcome to icliniq.com. Vicodin is a drug, which is a combination of Acetaminophen and Hydrocodone. Acetaminophen has a half-life of 4 hours and Hydrocodone has a half-life of 4 to 5 hours. So, both drugs combination that is Vicodin can be completely washed out from the body within one day... Read Full »
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