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Cold medicines often contain significant proportions of alcohol. The test therefore would not be a false positive if you have taken one or more of the cold medicines because the test will correctly detect the presence of alcohol.

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13y ago

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Which over the counter cold medicines can cause a false positive UA for Meth and how muchdo you have to take to cause the false positive?

Most cough products which contain decongestants (pseudoephedrine, ephedrine, synephrine, phenylpropanolamine) can cause false positives with methamphetamine drug triage tests. The amount necessary which could cause a false positive depends on the detection sensitivity of the specific analyzer being used (they have different detection thresholds).


Can phenylephrine HCL cause a false positive in any drug test?

YES! Search "phenylephrine and false positives"....you will get many websites listing many over the counter medications that can cause a positive drug screen. Phenylephrine, Dextromethorphan, & Guaifenesin...active ingredients in many cold remedies...will show positive for amphetamines


Till how many days would 2 tablets of a cold tablet having Phenylephrine HCL 10 mg cause false positive?

Phenylephrine HCl is known to potentially cause false positives for amphetamines on drug tests. Generally, the substance may remain detectable in the body for a few days after ingestion, but the exact duration can vary based on factors like metabolism, dosage, and the individual's health. For two tablets, false positives could potentially occur for up to 2-3 days after consumption. However, it's essential to consult with a healthcare professional for more personalized information.


i took a urine test at work, came back positive for cocaine what medication, perscription and overcountercould have caused this positive?

Certain medications like lidocaine, amphetamines, and certain antidepressants can potentially cause false positives for cocaine on urine drug tests. Over-the-counter remedies like cold medicines containing levamisole or pseudoephedrine could also lead to a false positive result. It's important to consult with a healthcare provider or pharmacist for further guidance and to discuss any medications or supplements you may be taking.


What cold medicines will not show up on a drug test?

i take court ordered drug test. i also have allergies an take otc medication.zyrtec claritin an travist-1 are all safe to take.They will not cause false positive results for meth or benzo's.


True or false Shivering from being nervous or cold can cause somatic tremor?

false, the causes of somatic tremor is parkinson's disease, and also by cold or body tremors


Can you test postitive for meth if taking ephedra?

Yes! Since Meth is made from it, if you take enough of it, you can eventually test positive for methampethamines. You can also test positive for meth if you take a lot of Sudafed and other cold medicines.


Is it true or false that over the counter and prescription medicines do not contribute to society's drug problems?

False. There are people who overuse OTC (Over the counter) as well as prescription medicines, People become dependent on laxatives, antihistamines (for sleep), cold medicines, and pain killers. People convince doctors they need prescriptions by describing symptoms and claiming OTC medicines don't help. Just taking some extra cough medicines and Tylenol (acetaminophen) doses can lead to an acetaminophen overdose that can lead to kidney damage or failure, and death.


Are medicines bad for you?

Cold medicines are not bad for a person if they need to take them. If a person is not sick, then the medicines are potentially harmful.


Can you give a dog cold medicine while they are nursing?

A dog should never receive any medication which wasn't prescribed or recommended for it by your Vet. In particular, there aren't "cold medicines" for dogs and human cold medicines can cause them harm. If you have questions about a medicine your Vet prescribed for your nursing dog, you should call the prescribing Vet.


What cause false positive for amphetamines?

False positive results for amphetamines on drug tests can be caused by certain medications such as decongestants, ADHD medications, and antidepressants. Additionally, substances like pseudoephedrine and ephedrine, commonly found in over-the-counter cold and allergy medications, can also lead to false positives for amphetamines. It is important to disclose all medications and supplements being taken to healthcare providers before drug testing to avoid misinterpretation of results.


What can cause a false positive for methamphetamine on a Scram drug patch?

A false positive for methamphetamine on a Scram drug patch can occur due to the consumption of certain over-the-counter medications, such as cold medications containing pseudoephedrine or phenylephrine. Additionally, some dietary supplements and herbal products may interfere with drug detection. Cross-reactivity with other substances or laboratory errors can also contribute to false positives. Therefore, confirmatory testing is essential for accurate results.