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Can narcan cause a false positive on a drug screen test

A 53-year-old member asked:
Dr. Jon Ahrendsen
38 years experience Family Medicine
NO: According to an journal article by storrow in the archives of emergency medicine vol 24 issue 6 in 1995. When 14 volunteers had urine drugs screens d ... Read More

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A 57-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Hello. : Hello. Ketorolac (toradol) is a nonsteroidal anti-inflammatory drug used for acute pain. Fentanyl is an opioid (narcotic) analgesic for severe pa ... Read More
A 40-year-old member asked:
Dr. David Rosenfeld
26 years experience Pain Management
Nothing: I am unaware of anything. There are reports showingfalse positives are seen with: ephedrine, (ephedrine sulfate) pseudoephedrine, (ephedrine sulfate) ... Read More
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A 53-year-old member asked:
Dr. Andrew Turrisi
46 years experience Radiation Oncology
No: The drug screens are rarely false positive. Nicotine metabolites are also easy to detect and distinguish from other products.
A 33-year-old male asked:
Dr. Paul Garrett
39 years experience Radiology
No Proof: The only medical trial to test this was done in on 33 Amoxicilin pts in 2008 and no false positives were found: http://jat.oxfordjournals.org/content/ ... Read More
A 55-year-old member asked:
Dr. Evan Altman
18 years experience Psychiatry
No: It would be very unusual to have a false positive on a urine drug screen with unisom. In the rare chance this did happen, the confirmatory test would ... Read More
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3 thanks
A 47-year-old male asked:
Dr. Shane Russell-Jenkins
20 years experience Psychiatry
A lot of products.: A screening drug test is not perfect. A site i would recommend for a list of over the counter medications and the associated false positives is: http: ... Read More
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A 51-year-old member asked:
Dr. Clarence Wimberly
Specializes in Family Medicine
Positive drug screen: Some diet medications, and add therapy medications.
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A 61-year-old female asked:
Dr. Elizabeth Finley-Belgrad
33 years experience Child Psychiatry
Possible?: Acriquine is on a list of drug interference medications and it is a derivative of chloroquine also. drugs.com I have not been able to locate any infor ... Read More
A 50-year-old member asked:
Dr. James Burns
36 years experience Emergency Medicine
The typical reason: is that the urine metabolite was below the "cutoff" levels for the screening which would not then be subjected to confirmation. It is not that barbit ... Read More
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A 30-year-old female asked:
Dr. Paul Grin
Dr. Paul Grin answered
35 years experience Pain Management
No, irrelevant: Gabapentin, a relatively new anticonvulsant compared to carbamazapine and phenytoin, differs from most other anticonvulsants because it has minimal dr ... Read More
A 46-year-old member asked:
Dr. Alan Wartenberg
48 years experience Addiction Medicine
Mostly for THC: but ONLY on the screening test, and NOT on confirmatory tests. If whoever is doing the testing only uses screening tests, and does not confirm the po ... Read More
A 51-year-old member asked:
Dr. Kevin Nasky
15 years experience Psychiatry
No: Use of anesthetic agents, including benzocaine, tetracaine, and lidocaine, should not cause false-positive Cocaine test results in urine testing for a ... Read More
A 47-year-old member asked:
Dr. Donald Jacobson
39 years experience Psychiatry
No: There is no evidence to conclude that.
A 52-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
False pos, Opiates: Some are Asthma or Sinus or Acne medications or Anti-inflammatory agents.
A member asked:
Dr. Robert Kwok
32 years experience Pediatrics
Sure: Taking methylprednisolone (a corticosteroid similar to prednisone) doesn't stop a person from using cocaine nor from getting a false positive on ... Read More
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2 thanks
A 44-year-old male asked:
Dr. Robert Killian
27 years experience General Practice
Drug screening: Nope. Not in any way.
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3 thanks
A 48-year-old member asked:
Dr. Ron Jones
Dr. Ron Jones answered
44 years experience Family Medicine
No: No.
A 51-year-old member asked:
Dr. HARRY OPSIMOS
21 years experience Pediatric Pulmonology
Unlikely: It's possible, but not likely. What medication are you referring to?
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A member asked:
Dr. Christopher Quinn
16 years experience Emergency Medicine
Maybe: It is possible on some drug screens for Phentermine to show up as amphetamine. I usually warn my weight loss patients of this and write them a letter ... Read More
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1 comment
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6 thanks
A 46-year-old member asked:
Dr. James Marx
47 years experience Pain Management
Not for Opiates: Nabumetone should not cause a test to show confirmed presence of anything but nabumetone. Drug screens however have notorious false positives all of t ... Read More
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2 thanks
A 43-year-old member asked:
Dr. James Cain
35 years experience Nephrology and Dialysis
Errors: 1. Not wearing the patch, an exhausted patch, a placebo patch 2. The test was not specific for fentanyl 3. Lab error 4. Specimen misidentification ... Read More
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1 thank

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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