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  • November 9th, 2010

    False Positive Drug Test Indicators List

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    Read about false positive drug test indicators list.

    A study of 161 prescriptions and over the counter medications showed that 65 amongst them produced false positive drug tests results in most of the administered urine drug test results revealed a news report from the Los Angeles Times News Service. With many companies and medical institutions going for random drug testing methods, employees sometimes fear that they could register a false positive drug result. The fact is that there are certain prescriptions, food and vitamin supplement that can test you positive in a drug test. Currently there are 250 counter medications that can give false positive results.

    Food can sometime be a reason for a false positive on a drug test. We all are familiar with the fact that poppy seeds can shake off the result by showing as an opiate. Vitamin supplements like riboflavin, commonly known as B2 can give a false THC reading. Herbs containing moderate to high amounts of B vitamins may also bring back a false result in drug testing.

    Diabetes, liver diseases and kidney infections can register opiates during drug testing and put the subject in a problem. Many of the night time cold medications used by people to avoid cold and flu can be the reason for false positives. Liquid cold relievers contain a member of ephedrine family and thus can cause false positives. Nasal sprays, asthma products as well as weight loss products can register you false positive.

    Prescription and medicines also plays an important role in registering false positive during drug testing. Anti- anxiety and antibiotics like ampicillin and amoxicillin will show up as an indicator of illegal drugs. Some of the substances that can cause false positive drug results are listed below:

    • Amphetamines –

    Ephedrine, phenylephrine, propylephedrine, pseudoephedrine, or desoxyephedrine
    (Nyquil, Contact, Sudafed, Allerest, Tavist-D, Dimetapp, etc)
    Phenegan-D, Vicks Nyquil, Robitussin Cold and Flu.

    • Opiates – Substances or Conditions which can cause false positives

    Tylenol with codeine
    Poppy Seeds
    Most prescription pain medications
    Nyquil

    • Ecstacy-
    Prescription medications (Amfepramone, Cathne, Etafediabe, Morazone,phendimetrazine, phenmetrazine, benzphetamine, fenfluramine, dexfenfluramine, dexdenfluramine,Redux, mephentermine, Mesocarb.

    • THC –
    Dronabinol (Marinol)
    Ibuprofen; (Advil, Nuprin, Motrin, Excedrin IB etc)
    Ketoprofen (Orudis KT)

    Thus when you are going for a drug testing, it is beneficial to provide a list of medications used by you. If the subject undergoing a screening is on some medical treatment or vitamin supplement that information should be provided to the authorities. This can make a great difference in evaluating a drug result. The costs of drug tests depends on the type of drug test you are undergoing.

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