Can ibuprofen cause a positive urine drug test?

Nonsteroidal anti-inflammatory drugs (including ibuprofen and naproxen) (2,3) as well as proton pump inhibitors (specifically pantoprazole) (3) have been reported to cause false positives on urine drug screens.


Can ibuprofen cause you to fail a drug test?

Nonsteroidal anti-inflammatory drugs (NSAIDs) have also been shown to interact with UDS immunoassays. Both ibuprofen and naproxen have been documented to cause false-positive barbiturate4 and cannabinoid1-4 levels. In addition, ibuprofen can cause a false-positive PCP level.

How much ibuprofen can cause a false positive drug test?

Ibuprofen

Once ingested, it takes around three hours for ibuprofen to lead to a false positive of cannabis, barbiturates, and PCP in your urine. The wrong positive shows for people whose consumption falls within the range of 800 to 1200 milligrams per day.


Is ibuprofen detectable in urine?



Ibuprofen is in a class of pain relievers called NSAIDs (non-steroidal anti-inflammatory drugs). All NSAIDs can cause a false positive.

How long will ibuprofen show up on a drug test?

The average half-life for this active ingredient is anywhere from 1.8 to two hours. After 24 hours, most patients will have fully eliminated ibuprofen from their system.


Can certain foods, drinks, and meds cause a false positive on a drug test?



Can I take ibuprofen before a 24 hour urine test?

Note that non-steroidal anti-inflammatory drugs (NSAIDs such as aspirin, ibuprofen (e.g., Motrin or Advil), naproxen (e.g., Aleve or Naprosyn), and others) will interfere with testing. This applies regardless of the fashion in which the NSAID is taken (for example, orally or as a skin cream).

What is the most common false positive drug test?

Medications that may cause false positives
  • Dextromethorphan (Robitussin, Delsym) Dextromethorphan is the main ingredient in many OTC cough suppressants. ...
  • Diphenhydramine (Benadryl) ...
  • Certain decongestants. ...
  • Phentermine. ...
  • NSAIDs. ...
  • Quetiapine. ...
  • Proton pump inhibitors. ...
  • Quinolone antibiotics.


How long does 2 ibuprofen stay in your system?

Ibuprofen is rapidly metabolized and eliminated in the urine. The excretion of ibuprofen is virtually complete 24 hours after the last dose. The serum half-life is 1.8 to 2.0 hours.


How do you flush ibuprofen out of your system?

Aim for 8-10 glasses of water throughout the day. Don't expect drinking a large amount of water at one time to be an effective way to remove drugs from your system. Staying hydrated requires frequency, not just volume. In addition to water, herbal teas and juice may help your body flush out toxins.

Is ibuprofen 800 mg a narcotic?

No, ibuprofen is not like other prescription pill pain killers. Instead, ibuprofen is a non-narcotic pain reliever and does not cause ibuprofen addiction. Other prescription drugs contain narcotic agents like opioids and work by blocking your perception of pain in the body.

How easy is it to get a false positive drug test?

A worry for anyone undergoing an illicit drug screen - whether it be a urine, hair, saliva or blood test - is the possibility of a false positive drug test. In fact, some data suggests 5 to 10 percent of all drug tests may result in false positives and 10 to 15 percent may yield false negatives.


How do I dispute a positive drug test?

How Can I Dispute a False Positive Drug Test?
  1. Step 1: Get out in front of the issue. ...
  2. Step 2: Ask your doctor or pharmacist. ...
  3. Step 3: Ask to retake the drug test.


Can Tylenol cause false positive drug test?

You should also be aware that certain antidepressants like Zoloft and Prozac, along with sleeping pills like Tylenol can cause a false positive. Anyone taking OTC or prescription medications should raise the matter immediately after a false positive.

What should you not do before a urine drug test?

- Avoid alcohol, coffee, tea, tobacco and strenuous exercise for 24 hours prior to collection and up to collection time. - Do not consume avocados, bananas, eggplant, pineapples, plums, tomatoes or walnuts for 48 hours before the test.


What can cause a false positive on a urine drug screen?

Clinically, a false positive urine drug screen can be due to numerous xenobiotics: dextromethorphan, diphenhydramine, doxylamine, ibuprofen, imipramine, ketamine, meperidine, venlafaxine, buproprion, methylenedioxpyrolvalerone (MDPV), and tramadol.

What can mess up a 24-hour urine test?

Going beyond the 24-hour collection period and collecting too much urine. Losing urine from the specimen container through spilling. Not keeping urine cold while collecting it. Acute stress.

Can anti inflammatories cause false positive drug test?

Nonsteroidal anti-inflammatory drugs (including ibuprofen and naproxen) (2,3) as well as proton pump inhibitors (specifically pantoprazole) (3) have been reported to cause false positives on urine drug screens.


Can a urine test detect acetaminophen?

The acetaminophen/paracetamol assay will yield positive results when acetaminophen/paracetamol is ingested at or above therapeutic doses. The laboratory often receives phone calls asking how long a particular drug of abuse can be detected in urine.

What drugs show up in urine drug test?

What do these tests do? These tests indicate if one or more prescription or illegal drugs are present in urine. These tests detect the presence of drugs such as marijuana, cocaine, opiates, methamphetamine, amphetamines, PCP, benzodiazepine, barbiturates, methadone, tricyclic antidepressants, ecstasy, and oxycodone.

What happens if a drug test comes back positive for a job?

If the test result is proven to be legitimate (especially after multiple retests), you will most likely lose your job. If drug testing was part of a screening application, the company will probably revoke your job offer. However, in some industries or states, you might be given a second chance.


What can invalidate a drug test?

A test can be marked invalid for numerous reasons that include:
  • Insufficient quantity of testing sample.
  • Faulty test or procedures.
  • Adulteration of sample.
  • Dilution of sample.
  • Substitution of sample.


How far back does a lab urine test go?

What is the detection window for a lab-based, urine drug test? A: Urine drug testing typically detects recent drug use in the previous 24 to 72 hours.

How common are false positive drug?

Drugs that are typically screened for include amphetamines/methamphetamines, benzodiazepines, barbiturates, marijuana, cocaine, PCP, methadone, and opioids (narcotics). Research conducted at Boston Medical Center shows that drug tests produce false positives in 5% to 10% of cases.


How accurate is a positive at home drug test?

If two lines appear, including two faint lines, the test is negative. If only the control line appears, the test is positive. Areta's 14 Panel Drug Test Cup Kit is more than 99% accurate.