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Doctor insights on: How Long Does Acetaminophen Stay In Your System

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How long does acetaminophen stay in your system?

How long does acetaminophen stay in your system?

Effective for: About 4 hours, decreases to near zero in your blood in about 20 hours. ...Read more

Dr. Alvin Stein
2,071 doctors shared insights

Acetaminophen (Definition)

Acetaminophen (tylenol) is a non-steroidal anti-inflammatory which is a ...Read more


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How long does tylenol (acetaminophen) 3 stay in your system? Will it show in a drug test if I haven t used it in 3 days?

How long does tylenol (acetaminophen) 3 stay in your system? Will it show in a drug test if I haven t used it in 3 days?

No: The half-life elimination of Tylenol (acetaminophen) in adults is around 2-3 hours. There is no way Tylenol is still in your system if you used it 3 days ago. Either way Tylenol is not a standard component on a drug test. Drugs like amphetamines, cocaine, marijuana, and opiates are usually screened. Common over-the-counter medications like Tylenol are not typically a concern. ...Read more

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How long does tylenol (acetaminophen) with codien stay in your system for?

Depends on how often: This is not easily answered - it all depends on how frequent and the dosing strength of the medication. If you have been on this a long time it will stay in the system longer. Likewise if you are taking a stronger dose the levels may be detected longer. However, this is a strange question - why would one want to know? ...Read more

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How long will 3000 mg of acetaminophen and 600 mg of sleeping pills stay in your system?

How long will 3000 mg of acetaminophen and 600 mg of sleeping pills stay in your system?

Acetaminophen: Not because these medications could be found over the counter means they are safe. Please contact your physician as i feel the dose of the medications could be wrong or excessive. Overdose with these medications can be very serious or fatal. The time these medications stay in your system depend on age, weight , liver condition, and other medications. I would estimate at least 18-24 hours. ...Read more

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How long does Hydrocodone/acetaminophen 7.5/3.25 stay in your system. Been off for 4 days. Have to take a urine test.

Hydrocodone 20 hrs: In general, 97% of a 10mg dose of hydrocodone would be eliminated after 20 hours. In addition, 97% of 325mg of acetaminophen would be eliminated after 15 hours. This applies to a healthy person with normal kidney and liver function. Each urine drug test has a different lower limit of detection. Some detect drug metabolites of the hydrocodone, such as hydromorphone which lasts 2-4 days. ...Read more

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If I took 6000mg of acetaminophen, how long would it take to be completely out of my system?

6 g of acetaminophen: first off - if you did - you might never get it out of your system because the lethal dose is close to 4000mg. Why would you take that much???? - acetaminophen at that dose causes irreversible liver damage and death. DO NOT take that much!!!! ...Read more

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What happens if you take 16 aspirin and 20 tylenol (acetaminophen) how long is it till it is out of your system?

What happens if you take 16 aspirin and 20 tylenol (acetaminophen) how long is it till it is out of your system?

Get medical help: It will be too risky to chance letting your body clear out the drugs by itself, and the risk is death or lifelong liver damage, to name a few. You have a closing window of time to get medical attention, and what treatment will involve is preventing the damage from occurring. Give this free phone number a call now, and they will guide you: 1-800-222-1222. ...Read more

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How long does aspirin and tylenol (acetaminophen) stay in ur system? For example usually it says take every 6 hours so does that mean after that it's gone within?

How long does aspirin and tylenol (acetaminophen) stay in ur system? For example usually it says take every 6 hours so does that mean after that it's gone within?

Depends on dose: A one-time dose is normally gone within that time frame. However, regular use of medications create a "steady state" baseline which takes longer to be metabolized. How long depends on your metabolism. For example, kidney or liver disease cause drugs to not be cleared as effectively, and the medication can build up in your system. Also, effects of Aspirin on platelets can last up to a week. ...Read more

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How long can it take to get loratab and ultracet (tramdol and acetaminophen) out of your system?

How long can it take to get loratab and ultracet (tramdol and acetaminophen) out of your system?

Long time: If you're trying to fool a test, forget it. Some these days can pick up narcotics from months ago. For driving purposes, it depends on how big a dose, how big a person, how strong a liver. ...Read more

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How long does it take for Fioricet (acetaminophen butalbital and caffeine) to leave your system? Is it good for long term migraines?

How long does it take for Fioricet (acetaminophen butalbital and caffeine) to leave your system? Is it good for long term migraines?

1 day: The half-life of Fioricet (acetaminophen butalbital and caffeine) is approximately 4 hours. That's means the time it takes the blood to eliminate half of the drug is 4 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 4*6/24= 1 day. It is not clear if Fioricet (acetaminophen butalbital and caffeine) should be used for treating migraines ...Read more

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Took fioricet (acetaminophen butalbital and caffeine) for my tension migraine. How long will it stay in my system?

Took fioricet (acetaminophen butalbital and caffeine) for my tension migraine. How long will it stay in my system?

Fioricet (acetaminophen butalbital and caffeine) 1 day only: doesn't stay in the blood long-term. The average "half-life" of fioricet, (acetaminophen butalbital and caffeine) which means the time it takes the blood to eliminate half of the drug is 4.5 hours. It takes approximately 6 half lives for a drug to be eliminated from your system 4.5*6/24= 1.12 day. Fioricet (acetaminophen butalbital and caffeine) can cause medication overuse headache. See your PCP for headache management. ...Read more

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What is the best way to break fever for my 3 year old? Also will tylenol (acetaminophen) weakening his immune system in the long run?

What is the best way to break fever for my 3 year old?  Also will tylenol (acetaminophen) weakening his immune system in the long run?

It is fever!: Anything over 100.5 is fever. If the child is acting normal you can watch and re check the temp. If no other symptoms and fever lasts for more than 3 days see the doctor. Tylenol (acetaminophen) helps to relieve the symptom but does not do anything to the underlying problem. Tylenol (acetaminophen) does not affect the immune system but i would give the correct dose occasionally for short term fever or pain relief. ...Read more

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How long does it take for lorcet (hydrocodone and acetaminophen) to leave your system?

See below: Lorcet (hydrocodone and acetaminophen) is a short acting pain medications. 50% of it is out of your system by 4-6 hours with the other 50% out by 8-12 hours. Some people are more sensitive to the side effects of this medication than others. ...Read more

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How does tylenol (acetaminophen) 3 show up in your system?

How does tylenol (acetaminophen) 3 show up in your system?

POITIVE FOR OPOIDS: It will show positive for morphine or opoids as it is a metabolite of morphine.It will stay positive up to 5 days.It is water soluble and eliminated through urine in3 to 5 days. ...Read more

Dr. Boris Ripa
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