Cocaine False Positive Test

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Cocaine False Positive Test
48 Replies RSS
I was tested for cocaine and it came back positive. I do not know how as i have not used for 4 months. It was a hair test. I do not know why? Can u let me know why or list some things that can make it come back positive please? Thank you. ## Cocaine can remain in your hair follicles for up to 90 days or longer, depending on how much you had and how frequent your use was. So it would not be uncommon for it to show up 4 months after using it if your body has a difficult time detoxing itself. If you are expecting any other surprise tests, then I would highly recommend doing some sort of total body cleanse or fasting for a number of days on just water, in order to help your body heal itself. I hope this helps! ## Cocaine metabolites can linger in your hair for a very long time, so there is ... ...
Updated 5 days ago in Cocaine.
Mon, Oct 16 '17, 11:30 AM
Cocaine False Positive Test cps
3 Replies RSS
ive been taking prednisone steroids for allergic reactions for a month now. can that show up as a false positive for cocaine? ## Can i have a dirty urine drop for prednisone 10 mg and cyclobenzaprine? ## No, but kidney disease/infection or liver problems can give a false positive for cocaine. ## I had a cortisone shot and a flu shot & I came up positive for cocaine. These are the meds I am on: vicodin 7.5/325mg + cetirizine 10mg + cyclobenzaprine 5mg + ibuprofen 800mg. ...
Updated 10 days ago in Cocaine.
Wed, Oct 11 '17, 9:51 AM
Cocaine False Positive
4 Replies RSS
I have applied for a job and they did a hair folicle test. I tested positive for cocaine, but have never used cocaine. I do take Primatene Tablets for my asthma. It has Collodial silicon dioxide, crospovidon, D&C Yellow no. 10 aluminum lake, FD&C yellow no. 6 aluminum lake, magnesium stearate, microcrystalline cellulose, providone. It also states on the package Ephedrine HCI 12.5mg / Guaifenesin 200mg. I am looking for some guidance here, and I know I do not use drugs and I also need to be working.... ## On the cheaper, less reliable drug tests, it seems as though anything is likely to show up, no matter what you took. I was researching ways in which you may be able to dispute a false positive and I came up on the following information: "Specific testing, such as that done b... ...
Updated 3 years ago in Cocaine.
Thu, Sep 11 '14, 8:56 AM
False Positive cocaine
3 Replies RSS
i take phenobarbital, hydrochlorothazide, enalapril, amlodpine besylate, norvac, amoxicillin,and colodine can i test posive off any number of these medications ## The Amoxicillin can cause it on the cheaper, non-certified drug tests, so can most of the other antibiotics in this class. Has this happened to you? ## I took a nail test last week and it came back positive for cocaine. How can that be when i havent used in over a year? Does the medication metoclopramide register as cocaine or what. Im upset about this ## I'm mind boggled. I had a drug test for a good job, and it came back positive for cocaine. Never in my life did any drugs. All I had was a large Coke from McDonald's before taking it. Now, I'm asking to see if it's passed through sex? I'm side eyeing and b... ...
Updated 4 months ago in Cocaine.
Mon, Jun 12 '17, 4:06 PM
False Positive Cocaine Urine Test
11 Replies RSS
I recently took a dot urinalysis and tested positive for cocaine. Cause I haul hazardous chemicals and explosives I was immediately terminated. I am 53 years old andi have driven a truck for the last 30 years and have taken numerous drug tests and never tested positive for anything. I also just took my dot physical 2 months ago with complete drug screen (blood and urine) and came up clean. My doctor called me an nomoly because im a 53 year old african american male who is not on any medications, blood pressure, cholesterol, height, weight, no clogging of the arteries, everything is just as it should be. I take 2 over the counter supplements, centrum silver, and emergence c. How could this test come back positive and basically ruin a career I worked long and hard to build into a respecta... ...
Updated 4 months ago in Cocaine.
Sun, Jun 11 '17, 11:52 AM
False Positive On Test For Cocaine
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I havent used cocaine in two weeks and was clean at first.....i just started taking metronidazole...prozac....and albuterol....can any of those be bringing leftover cocaine out in my urine? ...
Updated 4 years ago in Cocaine.
Mon, Dec 10 '12, 4:28 PM
false positive, urine test, cocaine
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I tested positive for cocaine in a urine test, but have never taken cocaine or any other illegal drugs. What is the chance of a type 1 statistical false positive in a urine test for cocaine? Is it 10% or more? I am not on any meds, and I do not have any kidney or liver problems. ...
Updated 4 years ago in Cocaine.
Mon, Aug 19 '13, 10:41 AM
false positive drug test for cocaine
2 Replies RSS
I am a type 1 (Insulin dependent) Diabetic and recently had a bladder infection and oral surgery performed. My doctor/dentist prescribed the following medicines for each: Doctor - Amoxicillin; Dentist - Tylenol 3 with codine. My job performed a urine test that came positive for cocaine. I have been told to not return to work. I do not use any drugs other than the ones all my doctors prescribe and with my medical history they are many. ## Both amoxicillin and having diabetes can cause false positives for cocaine. You should bring this to your employer. ## The oral surgery you had absolutely caused you to test positive for cocaine! Your Dr. that performed the surgery can confirm this with your job that gave you the drug test! The anesthesia they give people before any surgeries can and ce... ...
Updated 1 year ago in Cocaine.
Thu, Jan 21 '16, 10:29 AM
False positive saliva test for cocaine
1 Reply RSS
I tested positive for cocaine during a recent swab test for pain management. Never used the drug before in my life. I take oxycodone 5mg, gabapentin 300mg, tizanidine 4mg, amlodipine 10mg, fluoxetine 40mg, dioxepin 20mg, albuterol inhaler, omeprazole 20mg, prenatal vitamin 27, and I got an allergy shot mixed with B12. Could any of these medicines give a false positive read for cocaine? I'm lost. ## Hi I'm queen, it just happened to me too. I've been going to pain management for 3 years and never tested positive for any drugs. Last month they gave me a swab for the first time out of 3 years and come up with this crap that I had cocaine in my system. I have never used any drugs..never smoked weed.. So what the hell is going on with that? How is it possible? I don't underst... ...
Updated 1 year ago in Oxycodone.
Thu, Jul 14 '16, 3:22 PM
False Positive On Drug Test For Cocaine
91 Replies RSS
I take a hair follicle and came up positive for cocaine. I never used drugs in my life. I have a kidney infection and I have been having trouble with my kidney all my life on and off, and I was taking ampicillin 500mg and metronidazole 500 mg and eugenol. I am going to court concerning my kids and I cant lose them for drugs when I never took them before. Please help me. Thank you. ## The antibiotic Ampicillin has been known to cause false positives for Cocaine on drug tests and depending on the length of your hair and how much of it they test, it can show up anywhere from 90 days to the rest of your life. When the testing was done, where they aware of your medical problems and any medications you were taking? ## No they didnt no about my health problems. Can i use this what you have ans... ...
Updated 23 days ago in Cocaine.
Thu, Sep 28 '17, 5:49 PM
False Positive On Drug Test For Cocaine
4 Replies RSS
I tested positive for cocaine today at my pain management..I dont do illegal drugs.I had them take my blood to send out..its imposible for that because I in no way used it. I am on percocet, methadone tab for pain, zanex, soma, nurontin, fiibrid, and buspirone.. I am just in shock over this...why did this happen? ## Just to double check, what medication did you mean by fiibrid? When I checked for possible false positives, I assumed you meant Viibryd, but I want to be sure. And as to Viibryd and the others you listed, none of them have been known to cause false positives for Cocaine. Learn more drug test details here. Have you taken anything else, even over the counter products? Did you have any dental work done recently? ## yes, viibryd, I used motrin and nasel spray..but I have had oth... ...
Updated 2 years ago in Cocaine.
Tue, Jun 16 '15, 1:42 AM
False positive for cocaine
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I recently tested positive for cocaine. I have not used cocaine and am researching what may have went wrong. First I have hep c... In the last 6 months I was treated twice for std. I have two contributing factors for this positive reading. I asked for an appeal but never received the paper work (via email). I was told that the bottle would be sent to another lab for testing. Employment is at state. ...
Updated 10 months ago in Cocaine.
Tue, Nov 22 '16, 2:17 PM
false positive for cocaine
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I was not doing cocaine, but I went to my doctor and was told I have it in my urine. So I went to the hospital and had it checked that day, came back showing no cocaine in my urine. So I went back to my pain doctor to show him a print out of the urine test and then was told it was not that day, it was on 7/7/16. So how can I clear this mess up? ...
Updated 1 year ago in Cocaine.
Sun, Sep 04 '16, 2:54 PM
false positive for cocaine
3 Replies RSS
I have severe neurapathy and use very strong topical oointment. It contains: marcaine, ketamine,ketaprophan, clonidine,gabapentin, lidocaine, aminitrypttyline, and lanacaine patches. The severe pereprial neurapathy can develop dermal ulcers. Clearly some ointmrnt that will enter the blood stream.. In addition, I take oral meds that may trip me, as antibiotics for the MRSA. , trileptal and percoset. thanks for help ## Almost all medications, whether ingested or topical, that have the caine at the end are distance cousins to Cocaine and with regular, heavy use they may cause a false positive for it on a drug test. It is rare, since not a lot usually enters the blood stream when they are applied topically, but it has been known to happen. Do you use this by prescription or is it something ... ...
Updated 2 years ago in Cocaine.
Tue, Sep 15 '15, 10:22 AM
a false positive for cocaine on hair test
2 Replies RSS
Is there anything that can cause u to test false positive for cocaine on a hair test? I am on suboxone and wellbutrin. That's it. ## My doctor told me Wellbutrin can cause a false positive for cocaine. ## I need help. I was trying to get a trucking job and did a hair follicle drug test and came back positive for cocaine but I have never done drugs. In the last three months I have been in and out of the hospital for gall bladder surgery. Someone help me. ...
Updated 9 months ago in Cocaine.
Mon, Dec 26 '16, 6:48 PM
False cocaine positive in a UA
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I recently tested positive for cocaine in a UA but have not had this drug since 2001. The night before I had to drop a UA, I had sex with someone who i didn't know was using cocaine in my bathroom. My probation officer told me the only way i could get it is from using it myself which I didn't. Is it possible for the drainage from his usage mixed with my saliva during kissing to have registered in my system? ...
Updated 2 years ago in Cocaine.
Wed, Sep 02 '15, 5:53 PM
false positive patch cocaine
2 Replies RSS
My daughter and her boyfriend are both on arithromycin for clamydia. She also was on an antibiotic for a yeast infection. He was on ibuprofen for kidney pain. He has a kindness stone. Both has failed drug tests for cocaine. One with a patch and one with a urine test. They both claim they have not used,, I tend to believe them. Can you tell me if these medications would cause a false positive for cocain. She failed a patch for cocaine a few months ago also, and she was on antibiotics then. ## Im on suboxone and was on azithromycin along with nyquil and i got a positive drug test for cocain.could these drugs together cause this. ## In some cases commonly prescribed or even over the counter medications can cause false positives for drugs of abuse. Dextromethorphan HBr for example is an OTC... ...
Updated 11 months ago in Cocaine.
Tue, Nov 01 '16, 1:20 PM
Help with False Positive Cocaine Urine Test
2 Replies RSS
I just got a false cocaine urine test from my doctor not sure what tyype of test but I had to sign n initial a paper so I think they sent out somewhere. I havent done cocaine in 25 years n dont understand. I read the benydril med diphenhydramine could be the cause or even drinking tonic water or some kinds of herbal teas. Should I request a blood test? I am just dumbfounded at this obvious error n dont know what to do. Any suggestions at all would be appreciated. Thanks ## I just tested positive for cocaine to today and I don't do cocaine and I am in rehab so they think I am lying but I am not that is one drug that I don't do and have only done one time years ago, anyone have any suggestions? I do take benadryl.. ## I am in the same problem. Any suggestion i take diphenhydramine... ...
Updated 2 months ago in Cocaine.
Thu, Jul 20 '17, 9:14 PM
what can cause false positive cocaine tests
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Can povidone found in dihydrocodeine cause a false reading and a positive for cocaine? ...
Updated 1 year ago in Cocaine.
Wed, Aug 31 '16, 2:44 AM
A False Positive Cocaine Urine
6 Replies RSS
I had a urine test recently, it was positive. I question it because the person was leery about what she was seeing and the receptions said not sure. but yet, it was circled anyhow. I have never in my life taking any sort of drug unless prescribed. I take Amphrtamine salts (genric for adderall),20mg 2x a day. Losartan 100-25mg, Leovothyroxine 50mg (Genric for Synthroid a Thyroid medication.) and Montelikastast Sod (Genric for Singulair). Sometime I take herbs for my now entering into the Change of life which are; Black current seed, chasteberry extract, Dong Quai, Wild yam, Black current Extract, Gonko Biloba Leaf Extract. And Diphenhydramine HCI 25mg. (a genric of Benadryl) for my allergys. Would any of these pose as a cocain reading? ## What I was saying, in my last statement that the ... ...
Updated 7 months ago in Cocaine.
Wed, Mar 15 '17, 7:41 PM

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