What could give you a false positive

False positives are caused by: * Nasal


A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine. Intranasal corticosteroids can also be used as decongestants and antihistamines can be used to alleviate runny nose, nasal itch, and sneezing.

such as Dristan, Neosynephren, V icks Nasal Spray, and Sudafed, which cause false positives for amphetamines. * Poppy seeds like those on a dinner roll, which cause false positives for opiates.

What causes a false positive drug test?

What Can Cause a False Positive Drug Test 1 Secondhand Marijuana Smoke. 2 Weight Loss Pills. 3 Poppy Seeds. 4 Mouthwash. 5 Antidepressants. 6 Antibiotics. 7 CBD Oil. 8 Antihistamines. 9 HIV Medication. 10 Coca Tea. More items…

Is it possible for false positive results to surface?

It’s a Very rare impossible probability For false positive results to surface when the right item/kit has been used and the designated test had been done, be that as it may. Ill-advised choice of tests can prompt false positive test outcomes which we regularly find in test results of patients.

Can a home pregnancy test give a false positive?

Rarely, certain medical conditions can cause a home pregnancy test to give a false positive. These include: A positive at-home pregnancy test result should always be followed up with a doctor’s appointment. Your doctor may give you a urine or blood test to confirm the results and monitor your hCG levels.

Can a vaginal swab test be false positive?

That is to say, the results from a vaginal swab test may not be the same result from an anus or throat swab test. False positive results can be brought about by client blunder, clinical misinterpretation/distortion, careless clinical administrative oversights and cross-defilement between sample tests.

Does taking Prozac give false positive in a drug test?

Certain antidepressant drugs are more prone to false-positive readings. For example, Wellbutrin (bupropion), Prozac (fluoxetine), and Desyrel (Trazodone

This medication is used to treat depression.

) can all potentially show up as amphetamines in a drug screen. Similarly, Zoloft (Sertraline

Sertraline is used to treat depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder, and a severe form of premenstrual syndrome.

) may show up as a benzodiazepine.

What drug would give a false positive for cocaine?

One of the most common antibiotics, amoxicillin (Amoxil), can cause a false-positive test for cocaine. Quinolones, a group of antibiotics including ofloxacin (Floxin), levofloxacin (Levaquin) and ciprofloxacin (Cipro), may produce false-positive tests for amphetamines and opioids.

What drugs can give false positive for opiates?

There are a number of things that can cause false positive screening drug tests for opiates including dextromethorphan (a cough medicine), diphendyramine (Benadryl), Quinine (found in small amounts in tonic water) and poppy seeds. Poppy seeds in foods (muffins, pastries etc) can cause a positive opiate drug test.

What would give you a false negatvie drug test/?

The most unforgivable reason for having a false negative result on a forensic test is having used unreliable equipment and testing protocols. State-of-the-art drug testing is designed to minimize the steps involved in processing samples, thereby reducing the likelihood of errors or accidental contamination.