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Doctor insights on: How Long Does Gabapentin Stay In Urine

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How long does gabapentin stay in your urine and will water help flush it out?

How long does gabapentin stay in your urine and will water help flush it out?

30to42 hours: Gabapentin is typically eliminated from your system in 30 to 42 hours after ingesting. It has half life of 5to7 hours. ONLY1.5% of Medicine remaining after 6 half lives. Excess water may help flush it out a little early but not much ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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How long does gabapentin stay in your system especially concerning a urine screen?

How long does gabapentin stay in your system especially concerning a urine screen?

Gabapentin/Neurontin: Gabapentin is a medication often prescribed for seizures and neuropathic pain. The half life for elimination in the ueine is 5 to 7 hours, regardless of dose, and may vary depending on your kidney function. It is not generally tested for during drug screening since it is not a narcotic. ...Read more

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Will gabapentin show up in a urine test?

If tested for: Neurontin (gabapentin) is a non-controlled/non-scheduled/non-addictive medication that is not metabolized by the liver at all and excreted unchanged by the kidneys/renal system. If there is a reason to measure the level, Gabapentin can be measured in the urine. Because it is not controlled there would be no basis for it to be part of a standard urine drug screen. ...Read more

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Does Neurontin (gabapentin) show up in urine test?

Urine test: Neurontin (gabapentin) does not show up in any substance urine tests. ...Read more

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Does gabapentin cause a false positive on a urine drug test?

Not Likely: It is unlikely that Neurontin (Gabapentin) will trigger a false positive urine test for drugs. However, if you are taking other medications then these medication may alone or in combination with Neurontin trigger a positive urine screen. Also, poppy seeds and other foods, fermented or otherwise may result in positive screen. Here's a reference: http://dig. Pharm. Uic. Edu/faq/2011/Feb/faq1.aspx ...Read more

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Hi I'm in a halfway house and I popped dirty for gabapentin in a urine screen. I didn't take it. What could cause this. I'm going to be homeless?

Medical director: The lab director is presumably a pathologist and unless he/she is a total jackass, you can get a letter about gabapentin not being a drug of abuse and that it is usually not tested for, that it may have been in a quacky herbal remedy you took, and that if the presence was not confirmed by a second test using a different principle, no action can lawfully be taken against you. ...Read more

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What test is used to test soley for neurontin (gabapentin)? I recently took a ten panel urine drug screen, can they pull out of that 10 panel screen? Please help

What test is used to test soley for neurontin (gabapentin)? I recently took a ten panel urine drug screen, can they pull out of that 10 panel screen? Please help

Doubt it: Nobody, as far as I know, is testing for neurontin (gabapentin), (gabapentin) and there are no test kits designed for neurontin (gabapentin). If you are prescribed the drug, you have a right to take it. If you aren't, it is not a controlled substance. If you are using Neurontin (gabapentin) without a prescription, you need to talk to your doctor about a prescription for it. The Klonopin and percocet, however, will likely show up. ...Read more

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Is there a urine test to check soley for neurontin (gabapentin). I did a 10 panel urine screen, can they pull urine out of the scrn that I did or a diff one, help!

See answer: Since Neurontin (gabapentin) is not a controlled substance nor it is an addictive drug it is not tested for unless there is some specific reason to test for it. A 10 panel drug screen tests for cocaine, amphetamines, methamphetamines (meth), marijuana,
methadone, opiates, phencyclidine (pcp), barbiturates, benzodiazepines, and tricyclic antidepressants. ...Read more

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Can you tell me if urine drug tests test for Neurontin (gabapentin) or methocarbamol?

Can you tell me if urine drug tests test for Neurontin (gabapentin) or methocarbamol?

Depends: Always tell your provider ALL medications that you're taking when providing urine drug samples. Different tests can pick up different meds/drugs so it's important to have everything listed so your results can be adequately interpreted. Provided they are prescribed for you, they should be ok to be in your urine ...Read more

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Had THD hemeroid surgery. But wet the bed and cant hold urine. Had prostate removed 6 months ago Is this normal after the procedure? Took gabapentin yesterday

Had THD hemeroid surgery. But wet the bed and cant hold urine. Had prostate removed 6 months ago Is this normal after the procedure? Took gabapentin yesterday

Incontinence: A common early and possible long term side effect from prostate removal is incontinence. Check with your urologist as to why it is getting worse. Make sure you are not having an opposite problem after recent surgery or from medications such as RETENTION of urine leading to something called "OVERFLOW INCONTINENCE". ...Read more

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Had vaginal pain and some blood in urine. Dr said it was my nerves down there gave me gabapentin 300mg worked few days not anymore. Severe pain go in?

Vaginal pain: Vaginal pain should always be evaluated by your doctor. Gabapentin may help with symptoms but the persistent discomfort is concerning. I would seek additional evaluation. ...Read more

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I recently had a bad side effect from gabapentin. Urine retention and bladder infection. Will lyrica (pregabalin) do the same thing? Side effects?

I recently had a bad side effect from gabapentin. Urine retention and bladder infection. Will lyrica (pregabalin) do the same thing? Side effects?

Pregabalin: Pregabalin (lyrica) is prescribed for chronic pain conditions and neuropathy. Not necessarily, it will cause the same side effects than Gabapentin (neurontin) and if there are no relief with other agents, it is worthy to start a trial at low dose, and observe the response. ...Read more

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So I'm prescribed tramadol, gabapentin & alprazolam & I take otc sleep aid. My Dr told me my last urine was positive 4 morphine/ codeine & I don't know how! It also tested positive for the gabapetin But I haven't taken that in4mos. How did this happen?

So I'm prescribed tramadol, gabapentin & alprazolam & I take otc sleep aid. My Dr told me my last urine was positive 4 morphine/ codeine & I don't know how! It also tested positive for the gabapetin But I haven't taken that in4mos. How did this happen?

Poppy seed muffins: Are a frequent cause for false-positive morphine urine drug screens. Poppy seeds can also be found in salad dressings, and on bagels. A GC/ MS test of your urine can quantify and definitively identify the substances in your urine. A low amount of morphine on the GC/ MS would most likely be from ingestion of poppy seeds. Talk to your physician about these possibilities. ...Read more

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How long is it safe to stay on neurontin (gabapentin)?

How long is it safe to stay on neurontin (gabapentin)?

Neurontin (gabapentin): It is prescribed for a reason, and if it's helping, stay on it for as long as your doctor recommends. ...Read more

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How long (months/years) is it safe to take gabapentin 600 mg?

How long (months/years) is it safe to take gabapentin 600 mg?

Necessary vs safe: This is not an easy (safe) drug to take for any time and it may require more and more to be effective - BUT it may be necessary. Discuss this in depth w/ your Dr and keep them closely informed of how you are doing. Always seek to evaluate as many non-drug treatments as possible. Best! ...Read more

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How long does the withdrawals last from gabapentin 600 mg a day?

Usually quick: Gabapentin is one of the least likely drugs to have withdrawal symptoms, and if you do have withdrawal, it is usually over very quickly. If you went from 600mg/day to zero, you could go down to 300mg/day for a couple of days and then stop, or even go smaller to 100mg/day for a couple of days. This downward titration would help with withdrawal. ...Read more

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How long does gabapentin take to work? And what side effects can happen on this medication?

How long does gabapentin take to work? And what side effects can happen on this medication?

Depends on condition: It depends on the condition being treated. For chronic pain it will be about 5 days for noticeable improvement. If seizures are being treated it could take a little longer and dosing might need to be adjusted. There are a lot of potential side effects, but most people tolerate the medication well. You'll get the best information from your pharmacist so talk to him. Feeling groggy is most common. ...Read more

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How long does Neurontin (gabapentin) take to take affect pain wise? Taking for neuropathic symptoms.

How long does Neurontin (gabapentin) take to take affect pain wise? Taking for neuropathic symptoms.

Quickly: Gabapentin (brand name neurontin) will be effective in about an hour after taking the first dose and lasts about 6-7 hours. If you have constant pain, then you will need to take it three or four times a day. The dose that patients need varies a lot, so if the medication does not help after several doses, call your physician to see about adjusting the dose. ...Read more

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I started on 300mg of Neurontin (gabapentin) for RLS its only been 3 days but does nothing for me. How long before it will help and what is the max dose?

I started on 300mg of Neurontin (gabapentin) for RLS its only been 3 days but does nothing for me. How long before it will help and what is the max dose?

Some thots: The maximum effective dose is 2400 mg per day, and beyond that the med provides no added benefit. Horizant is a once daily gabapentin, at 600 mg which might do better, but I have had more success with Dopamine agonists such as Mirapex or requip (ropinirole). ...Read more

Dr. TRUC DAO Dr. DAO
2 doctors agreed:
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Does gabapentin take a long time to take off my headhake problems?

Dr. TRUC DAO Dr. DAO
2 doctors agreed:

Neurontin (gabapentin) headache: Depends on what are the other health problems that cause the headache. Again = treat the overall cause and not the symptom. Gabap is not the first line med to treat headache. If it is well chosen, as I suppose it has been, the benefit may occur rapidly. The dose can be doubled every 3-5 days till benefit is achieved. Good luck. ...Read more

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How long does it take for a dose of Neurontin (gabapentin) to work?

Depends: Adverse effects can unfortunately occur within an hour of a dose, but treatment benefit can take a couple of weeks to gauge. ...Read more

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I just started gabapentin 100mgs and was just wondering how long the effectiveness lasts?

Unclear: You need to have a conversation with your prescribing physician. It is unclear why you are on gabapentin - pain, epilepsy, mood dysphoria etc.; the effectiveness of the drug will differ individually depending on the rationale for why it was prescribed. ...Read more

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Can long term Neurontin (gabapentin) use cause seratonin syndrome?

Can long term Neurontin (gabapentin) use cause seratonin syndrome?

Very unlikely: First, it is unusual for Neurontin (gabapentin) to cause drug-drug interactions of any kind. Futhermore, the maximum useful dose is below 2400 mg daily, and higher amounts will not provide any enhanced effects. So, on it's own, the drug is certainly unlikely to cause seratonin syndrome ...Read more

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Can being on long term, high doses of gabapentin and morphine cause menstrual irregularity?

Possibly: The opiates do interact with the hormonal axis in sometimes unpredictable ways for both woman and men. Morphine can affect the menstrual cycle. Gabapentin should not. ...Read more

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The dr started me on gabapentin today, I've had shingles for 2 weeks now. How long before I can expect relief? The pain is unbearable.

The dr started me on gabapentin today, I've had shingles for 2 weeks now. How long before I can expect relief? The pain is unbearable.

Gabapentin: Gabapentin is an anti-seizure medication. It is commonly used for shingle pain. It is usually started at a lower dose, then titrated to higher dose. It takes several weeks to get up to the effective dose. ...Read more

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I was on gabapentin for a year 600mg how long should I wait before trying to conceive?

I was on gabapentin for a year 600mg how long should I wait before trying to conceive?

Out of your system?: Gabapentin should be out of your system quite quickly. Most drugs are no longer in the body after one week. Of stopping. So give it one or two weeks and you should be ready to go. ...Read more

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All my prob's finally diagnosed fibromyalgia. Now how long till Neurontin (gabapentin) and meloxicam work? Been on them for four days now.

All my prob's finally diagnosed fibromyalgia. Now how long till Neurontin (gabapentin) and meloxicam work? Been on them for four days now.

Several weeks: Neurontin (gabapentin) dosage needs to be titrated upwards to tolerance over several weeks. Meloxicam should provide some relief sooner. Good luck. Thanks for trusting HealthTap! ...Read more

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Is Visual Snow ever effectively treated or life long? I've tried gabapentin and am on lamictal but so far nothing has helped. This is brutal.

Is Visual Snow ever effectively treated or life long? I've tried gabapentin and am on lamictal but so far nothing has helped. This is brutal.

No Rx yet: Visual snow is the perception of snow or static as seen on a TV screen that isn't tuned to a correct channel. The cause is unknown but researchers this year have discovered an area of abnormal brain function (hyper metabolism) on functional MRI that appears to be the cause. Much more work needs to be done scientifically. Unfortunately, for now there is no definite evidence of a specific treatment. ...Read more

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Does gabapentin has lots of side effects? How about if I wish to take it long term for preventing my ongoing extreme stress which effects my capability

Does gabapentin has lots of side effects? How about if I wish to take it long term for preventing my ongoing extreme stress which effects my capability

Could be: Gabapentin side effects include drowsiness, dizziness, asthenia, weight gain, ankle/foot swelling, and maximal dose is quite low. If it helps your stress, perhaps might be of value, but there are likely far better choices. Find a supportive psychiatrist and design a treatment approach. ...Read more

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I ve bad chronic cough and was given gabapentin, I saw long list of side effects on leaflet, is there a way I can avoid its side effects? I must use it

I ve bad chronic cough and was given gabapentin, I saw long list of side effects on leaflet, is there a way I can avoid its side effects? I must use it

Gabapentin? Cough?: If you have been given Gabapentin for a chronic cough i'd like to know that you had exhausted every other conceivable option. I'd like to know your work up and previous meds tried. In low dose the side effects can be pretty mild but if you haven't been adequately evaluated it is not correct to use early. ...Read more

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How long is safe to take gabapentin for rls? I´m afraid the long term use can cause parkinson´s disease... Is it possible to happen?

Safety: Gabapentin has been around since early 1970s and used for lots of conditions into the very high doses. Typically no causative issues with degenerative problems like parkinsons. With that being said, it does have side effects. With any medications you have weigh benefit vs. Risk. For RLS doses, typically side effects are minimal. Have treated people upwards of 10 years with Gabapentin. .. ...Read more

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Taking gabapentin 300mg three times a day for meralgia paresthetica. Started six days ago. No relief. How long before this stuff kicks in?

Are we there yet?: You're pretty close to when you should be feeling something with that particular dose. I tend to titrate people rather slowly (1 pill escalate weekly) so it depends how your doctor told you to ramp this medication up but if you've been going 3x/day right from the get go then, maybe a few more days to a week at best. If you're no better then, either the dose is too low or medication inadequate. ...Read more

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I am on gabapentin 600mg 3x/day. It is no longer working for diabetic neuropathic pain. Please see my profile for info. Which medications 2 try next?

I am on gabapentin 600mg 3x/day. It is no longer working for diabetic neuropathic pain. Please see my profile for info. Which medications 2 try next?

An option: Hello. I am not actually answering your question but wanted to present a non-medication option. Acupuncture can be effective in treatment of neuropathic pain. Talk with your doctor to see if he or she would recommend this to augment your current treatment. Take care. ...Read more

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How long it takes for melatonin or gabapentin to start to work for sleep disorders?

How long it takes for melatonin or gabapentin to start to work for sleep disorders?

Don't know for sure: It depends. There is a wide range of doses that can be used. It may take days or weeks of dose adjustments before we get a good response. On any particular night even after dose adjustments some patients report drowsiness within an hour while some may lay awake the whole night. Gabapentin is "off label" for sleep disorders. Melatonin is over the counter and not fda regulated. ...Read more

Gabapentin (Definition)

Also called neurontin, (gabapentin) is an anticonvulsant medication used to treat seizure, also for post-herpetic neuralgia & other neuropathic pains, as well as restless leg syndrome. It works by lowering excitation ...Read more


Dr. Joseph Weiner
665 Doctors shared insights

Neurontin (Definition)

Neurontin is a seizure agent which is a kind of ...Read more