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Doctor insights on: How Long Does Allegra Stay In System When Drug Test

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Allegra (fexofenadine) -d 12 hour allergy & congestion can show up on a drug test as amphetamine?

Allegra (fexofenadine) -d 12 hour allergy & congestion can show up on a drug test as amphetamine?

Possible: Since the Pseudoephedrine in the d is often used to manufacture amphetamine, I would guess that it can show up in a blood test. I would advise you to stay off of any decongestants if you are subjected to random drug test until I can look this up. ...Read more

Dr. Ana Adelstein
360 doctors shared insights

Fexofenadine (Definition)

Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more


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Well fexofenadine HCl 60 mg show up on drug test as something not allowed?

Well fexofenadine HCl 60 mg show up on drug test as something not allowed?

It shouldn't: Most employers will be assaying for substances of abuse when they do drug screens: substances such as alcohol, marajuana, cocaine, opioids, amphetamine, etc. The fexofenadine wouldn't be included on such a list. ...Read more

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What to do if I have a drug test monday I was planning on drinking 6-8 shots how long will the alcohol stay in my system?

What to do if I have a drug test monday I was planning on drinking 6-8 shots how long will the alcohol stay in my system?

I am more concerned: With your binge drinking, and the damage it will do to your liver, your stomach, your heart and to your LIFE than I am with your employment test. Most drug-testing does not involve alcohol, unless the person is known to have an alcohol problem and is required to remain alcohol free. If this is the case, YOU HAVE A BIG PROBLEM. There are tests now for alcohol that can detect it for many days. ...Read more

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I just smoked hash for the first time yesterday. How long would that stay in my system in case I have to do a drug test for work?

I just smoked hash for the first time yesterday.  How long would that stay in my system in case I have to do a drug test for work?

See below: Well, that was stupid to do when you know there's a drug test coming or possible. Regardless, it may last between 3 and 7 days in the system. If for employment, if it is positive, they will do a confirmatory test to look for specific substances. There's really no way to fool the system without causing suspicion of tampering (e.g. Blue dye in toilet). ...Read more

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I have to get cotinine/nicotine out of my system for a drug test that is work related. How long until it's out of my system? Can I help flush it out?

I have to get cotinine/nicotine out of my system for a drug test that is work related. How long until it's out of my system? Can I help flush it out?

Forgive my frankness: Flushes do not work. You can lie and claim that a low level is passive smoke. Or you can be honest and get in a program to stop for real. The latter will save your life and health. Go for it. ...Read more

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Took 0.25 mg of Xanax (alprazolam) for the first time in 4 weeks. How long will it stay in my system for a drug test to be able to pick it up? Really worried. Took Monday night, test is Thursday at noon.

Possibly: Xanax has a half-life of 6-26 hrs. Other factors are your body's metabolism rate, fluid intake and other factors. Urine detection/positivity for alprazolam (Xanax) can range from 1-6 weeks. However, with just one dose, an estimate of 6 days is a likely possibility for positive detection in urine. ...Read more

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I took one 10 mg valium Friday how long will it take to get out my system drug test tuesday?

3 months: Traces of diazepam remain in the body for 3 months. Not sure if it will drug test. Every person has individual metabolism. My guess is that it will not test but depends on dose, your kidneys and if the drug test is urine. ...Read more

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Will lidocaine patches 5% show up on a 12 panel drug test? And how long does it stay in your system?

No: Lidocaine is not part of the 12 drug panel. You may consult this site for information on this topic.
https://www.anylabtestnow.com/tests/drug-test-12-panel-urine/
For good health — Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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When you take Valium does it come up as benzon in a drug test and how long will it take to leave my system?

When you take Valium does it come up as benzon in a drug test and how long will it take to leave my system?

With chronic use...: With chronic use, the terminal elimination half-life of the active metabolite of valium (diazepam) can be up to 100 hours. It takes five half-lives for the body to completely eliminate a drug and, therefore, could potentially take up to 3 weeks to completely be absent from the body. ...Read more

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How long does it take for the drug THC to clear out from your system? I've only smoked 2x and it's been 30days will I pass my drug test?

How long does it take for the drug THC to clear out from your system? I've only smoked 2x and it's been 30days will I pass my drug test?

Depends on use.: It depends on how often you use it. If you used it only once it can be detected by blood for 12-24 hours while it is detected in urine from 1-7 days. With regular use it can be detected in blood for 2-7 days and in urine anywhere from 1-100 days even if a heavy user. Age, height, weight, metabolism all are considered factors. ...Read more

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Does Valium stay in your system longer when combine with 6 other meds. This was last sunday at the hosp and a wk later still failed drug test on mon?

Depends: Valium has a very long half-life to start with and has an active metabolite that makes it stay in your system even longer. Certain medications could decrease or increase metabolism based on how they are metabolized. ...Read more

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How long will temazepam stay in your system for a urine drug test?

How long will temazepam stay in your system for a urine drug test?

Varies: Figure 5 days minimum up to 1 week for your urine to be clear, depending on age, weight and metabolism. ...Read more

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How long does midol take to come out ur system and can u fail a drug test for it?

Safe for drug test.: No, you shouldn't fail a drug test with midol. It should be completely out of your system in less than 16 hours based on the ingredients. ...Read more

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How long does it take for codeine from cough syrup to stay in your system for drug test?

How long does it take for codeine from cough syrup to stay in your system for drug test?

Codeine: If you have a valid prescription this is not a concern. It usually lasts 3 – 5 days. ...Read more

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How long before a 2mg lorazapam is out of your system enough to not show up on a saliva drug test?

How long before a 2mg lorazapam is out of your system enough to not show up on a saliva drug test?

After 10 days: It will show in saliva from 1 to 10 days and will not show after that
But will show in urine from 1 to 6 weeks and In hair follicle test upto 90 days ...Read more

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Will an anaesthetic that a dentist use show up on a drug test and how long before it leaves your system?

Anesthetic.: There is certainly some overlap between anesthetic agents and medications of abuse. As such, it could very well show up on a blood test or urine test for such a medication. If there is a problem, getting the anesthetic records and surgical records should help to validate that you were prescribed such a medication. ...Read more

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Will amoxicillin 500 mg capsule show up in a drug test and if it does how long does it stay in the body and urine system thanks?

Will amoxicillin 500 mg capsule show up in a drug test and if it does how long does it stay in the body and urine system thanks?

No: Drug tests are done for specific drugs, mainly controlled substances or illegal drugs. There would be no reason to test for amoxicillin. ...Read more

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The hospital gave me Valium injection in my IV I had a drug test a week later and it still showing how long will it stay in my system. Why?

Valium is a long-: Acting benzodiazepine (anxiety reliever/ muscle relaxer/seizure stopper/etc). Its half-life (amount of time for 1/2 to be eliminated) is 20–100 hours (much longer in chronic users) but the half-life for its main active metabolite desmethyldiazepam is 36-200 hours that's almost 10 days for 1/2 to be eliminated. Figure on at least 6 or more half-lives for it to be undetectable in typical drug screen. ...Read more

Dr. Alan Wartenberg
590 doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more


Dr. Michael Finkelstein
382 doctors shared insights

Allegra (Definition)

Allegra is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more