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Doctor insights on: Can I Test Positive Taking Sudafed

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How long does it take for sudafed or codeine to get out of your system. I have to do a urine test and i have been sick. will i test positive.

How long does it take for sudafed or codeine to get out of your system. I have to do a urine test and i have been sick. will i test positive.

Depending: On how long you used it and how much probably 3-4 days. Couldn't you take a letter from your doc stating you had a prescription to use them?? ...Read more

Dr. Louis Vernacchio
405 doctors shared insights

Pseudoephedrine (Definition)

Pseudoephedrine is a decongestant which is a kind of antihistamine type drug (common ...Read more


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How much actifed or sudafed needs to be taken to test positive for meth? I take actifed for allergies and have tested positive before.

How much actifed or sudafed needs to be taken to test positive for meth? I take actifed for allergies and have tested positive before.

So many variables: There are so many variables that will affect the results of drug testing. In most instances letting those ordering the test know what medications you take will help them interpret the results. ...Read more

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I took sudafed yesterday at 10:00am and I have a urine drug test for a job I was just offered today in about an hour. should I worry false positive?

I took sudafed yesterday at 10:00am and I have a urine drug test for a job I was just offered today in about an hour. should I worry false positive?

Drug screen urine: F states she took pseudophed yesterday and wants to know if it will show up on urine blood test? Depends on what they are testing for. I would ask lab doing the testing. And tell them your story. ...Read more

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What are the tests for sudafed overdose?

What are the tests for sudafed overdose?

Tests: Serum electrolytes, glucose & ECG if symptomatic.
CK in patients with agitation, seizure or coma. ...Read more

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What does sudafed show up as in a drug test i take sinus medicine and just had a drug test and wanted to know how it shows in a drug test

What does sudafed show up as in a drug test i take sinus medicine and just had a drug test and wanted to know how it shows in a drug test

Amphetamine: The molecules are very similar, and screening tests will often come back positive for amphetamine with pseudephedrine and similar drugs. A confirmatory test should be done with any positive, and will distinguish between the two. ...Read more

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I have a drug test for a new job this week and have been taking sudafed and a friend said i may fail the drug test because of it, is this true?

I have a drug test for a new job this week and have been taking sudafed and a friend said i may fail the drug test because of it, is this true?

Not likely, but: Normally when a drug screening test is administered they ask you to list all medications that you are currently taking. This is so that if they do find a positive, they can take extra steps to verify that whatever caused the positive isn't something you listed. Don't take it between now and the test if you're worried - by 48 hrs, it should not show up anyway. Best! ...Read more

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I’m having an eeg done i have epilepsy, should I stop taking Sudafed, hydrocodone, & herbal supplements? Will they cause false positives on eeg?

I’m having an eeg done i have epilepsy, should I stop taking Sudafed, hydrocodone, & herbal supplements?  Will they cause false positives on eeg?

Good question: Speak with your examiner to determine which meds should be continued or stopped. The klonipen and geodon are more significant relating to the EEG ...Read more

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Could sudafed show up as amphetamine in a urine test?

Could sudafed show up as amphetamine in a urine test?

Yes: It is very possible and it does happen. I suggest you notify the person asking for the test of this. You might need a Dr. note to excuse this if it does show up. It really depends on the dose and how soon you took it to your test. ...Read more

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How many mgs of actifed or sudafed will show positive for meth in a ua?

How many mgs of actifed or sudafed  will show positive for meth in a ua?

Depends on test: Different test kits have different sensitivities, and it also depends on the amount of time between the ingestion and the test, as well as differences in individual metabolism. The test that is positive is a screening test, and should always be followed by a definitive test which can and should easily tell the difference between pseudephedrine and amphetamine. ...Read more

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Mixing sudafed 12hr, claritin-d 24hr, brondaid, triadalean once in a while sleeping aids test postive, is this okay?

Mixing sudafed 12hr, claritin-d 24hr, brondaid, triadalean once in a while sleeping aids test postive, is this okay?

I wouldn't : Recommend doing this. If you can't take any medications that would cause you test positive on some form of drug testing then consider starting with really good sleep hygiene. Retire ; rise same time each day. Keep bedroom dark ; cool ; use only for sex ; sleep. Turn off tv. No naps. Exercise regularly but not in late evening. No caffeine for 6 hrs ; no alcohol or tobacco w/i 2 hrs of sleep. Keep. ...Read more

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I have been to ENT for a retracted ear drum. Been happening on and off since April 2014. Had a hearing test that was normal. Tried loratadine, sudafed, Flonase, and Allegra. Now loud noises hurt as well as breathing in deep. When he scoped my nasal passag

I have been to ENT for a retracted ear drum. Been happening on and off since April 2014. Had a hearing test that was normal. Tried loratadine, sudafed, Flonase, and Allegra. Now loud noises hurt as well as breathing in deep. When he scoped my nasal passag

Avoid antihistamines: Limited info from your comment... but drying the mucosa with antihistamines can thicken secretions and block the eustachian tube. This makes it more difficult to clear your ears. Consider irrigating your nasal passages with warm saline rinse and performing ear clearing maneuvers such as found at http://www.digplanet.com/wiki/Ear_clearing
Thick fluid in the middle ear may need a simple operation ...Read more

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Will pseudoephedrine hydrochloride affect a drug test?

Possibly: "false positive testing" occurs when a test finds evidence of illegal drug use when no drugs were taken. This can be a result of some over-the counter medications having chemical structures similar to illegal drugs. Pseudofed, found in many allergy and "cold" medications is one of these drugs. ...Read more

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Will pseudoephedrine hydrochloride affect a drug test ?

Be prepared...: Based on the sophistication of the test, or lack of it, quite possibly. ...Read more

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Would taking 720mg of sudafed be harmful?

Possibly: That is 3 times the recommended daily maximum. Pseudoephedrine can cause elevated BP and arrhythmias so taking that much is certainly not advisable. ...Read more

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How long does sudafed stay in your system after you quit taking it?

How long does sudafed stay in your system after you quit taking it?

Half-life 5-8 hrs: That's an approximate range since doses and bodies can vary. So, the drug should be out of your system within a day. Hope this info is helpful. ...Read more

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What could be the dangers in taking sudafed cold/cough to lighten your mood?

Blood pressure: Sudafed can elevate blood pressure and heart rate in some people. Thus, it should only be used occasionally to relieve congestion. ...Read more

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What is sudafed used for?

Decongestant: It is frequently used as a decongestant. ...Read more

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Can one overdose on sudafed?

Yes: It causes high blood pressure, rapid heary rate, and could induce a heart attack or stroke. ...Read more

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Why is sudafed a wanted drug?

Why is sudafed a wanted drug?

Sudafed: Sudafed is a great drug that works as a potent oral decongestant, making it great for colds, allergies and the like. It has been available over-the-counter for years, but in recent times, illicit drugs can be made from using sudafed as one of the ingredients. Now, in many states, sudafed is controlled and requires a special prescription or it is closely maintained in pharmacies under lock & key. ...Read more

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What is the overdose for sudafed?

What is the overdose for sudafed?

See details: An overdose is defined as taking more than the recommended daily dose od a medication. Read the label and that should tell you. ...Read more

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How many sudafed can I take at a time?

One: If you are talking about adult dose, it should be no more than what's recommended in the instructions. For short-acting ones, up to 4x daily , for long-acting 120 mg every 12 hrs. ...Read more

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What happens if you take sudafed everyday?

Not: Good, and not indicated in package insert. It could cause havoc with your blood pressure among other things.! ...Read more

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What is the dose for a 128lb person for sudafed?

Range: Assuming you mean "real" sudafed (=pseudoephedrine), 30 or 60mg up to 4 times daily. If you mean the "pe" junk, don't bother to take it--will have about the same effect as taking it. ...Read more

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60 mg sudafed before and exercise bad for you ?

Probably OK: It can raise blood pressure, so if have way to check it, would know for sure--otherwise, if not hypertensive (not being treated), probably ok. ...Read more

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Sudafed only halfway working, what else can I do?

Nasal steroid spray: Greetings. Sudafed is an excellent decongestant but if you still are having troubles, first use NeilMed sinus rinse. This helps to remove the thick mucus from your nasal passages. Wait 5-10 minutes then spray OTC Nasacort/Flonase into your nose. This medication will add to the sudafed. If that doesn't help see your ENT for an examination. Turbinate enlargement, infection, polyps or allergy work up ...Read more

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How long does it take for sudafed to start working?

About 30 minutes: Usually starts in 30 minutes and lasts about 8 hours depending on the dose. ...Read more