How Long Do Opioids Stay in Your System?

November 5, 2024

Understanding how long opioids stay in the body is useful for health planning, drug test management, and overdose and relapse risk assessment, among others. Opioids can stay in your system for varying lengths of time, depending on the type of opioid, dosage, and individual factors like metabolism.

In general, short-acting opioids like codeine or heroin are detectable in urine for 1-3 days, while long-acting opioids like methadone can be detected for 3-10 days. Blood tests usually detect opioids for a few hours up to 24 hours after use. 

How long does Opioid stay in the body?

The time for how long opioids can stay in the body depends on the type of drug, usage frequency, and, of course, metabolism. Long-acting opioids stay in the body for a longer duration than short-acting drugs. Different testing areas-blood, urine, saliva, and hair-offer various windows of detection. Other factors in how long opioids can stay inside the body are liver and kidney health, body mass, hydration, and general well-being.

  • Blood test: Opioids can be detected in your blood for up to 12 hours after the last use, according to research.
  • Urine test: Opioids can remain in your urine for 2 to 4 days after use, though it may be longer for chronic users.
  • Saliva test: Opioids can stay in your saliva for 1 to 4 days after the last use.
  • Hair test: Opioids can be detected in hair follicles for up to 90 days.

 

Blood

Urine

Saliva

Hair

Up to 12 hours

2 to 4 days

1 to 4 days

Up to 90 days

How Opioid is Processed in the Body?

Opioids undergo several stages in the body, from absorption to elimination. Understanding these processes helps clarify how opioids interact with the body and how long they remain detectable.

  • Absorption

After ingestion or injection, opioids enter the bloodstream. The method of administration (oral, intravenous, or transdermal) affects how quickly the drug is absorbed. Injected opioids act almost immediately, while oral opioids take longer as they pass through the digestive system.

  • Distribution

Once in the bloodstream, opioids are distributed throughout the body, binding to opioid receptors in the brain, nervous system, and other tissues. They also accumulate in fat tissues, influencing how long the drug stays in the system, particularly for chronic users.

  • Metabolism

Opioids are primarily metabolized in the liver by enzymes that break them down into active and inactive metabolites. These metabolites can contribute to the drug’s effects and extend its presence in the body, depending on the type of opioid and individual liver function.

  • Elimination

Opioids and their metabolites are eliminated primarily through urine, though small amounts may leave through sweat or feces. The speed of elimination depends on the drug’s half-life, with short-acting opioids leaving the system faster than long-acting ones like methadone.

How is Opioid measured in your body?

Opioids are measured in the body through tests including urine, blood, saliva, and even hair. Urine tests are the most common and can detect opioids that come on within hours and go up to several days. Blood tests have a shorter window of detection, while saliva tests detect recent use.

These tests help confirm whether opioids are present and, at what concentration, which could be important in various forms of medical treatment, legal decisions, or even workplace safety checks.

Factors impacting how long Opioid stays in your body?

Various factors can determine the rate at which opioids will be broken down and excreted; thus, the time it takes to detect them:

  • Gender: Hormonal differences and metabolism rates vary between men and women, affecting how long opioids remain.
  • Food Intake: Food intake before opioids can decrease the rate of absorption while fasting may increase it.
  • Age: Older adults have a decline in liver and kidney function and may metabolize the opioids more slowly.
  • Weight & Body Composition: The higher the content of body fat, the longer the opioid stays in it because opioids tend to accumulate in the tissues of fat.
  • Dosage & Frequency: Higher or more frequent doses prolong the time the drug remains in the system.
  • Hydration: This may help dilute the opioids in the urine, thereby reducing the detection time.
  • Means of Administration: Injected opioids act quicker and move out of the system sooner than oral forms.
  • Interaction with Other Medications: Other drugs can speed up or slow the metabolism of opioids.
  • Medical History: Pre-existing conditions, mainly liver or kidney problems, will determine how well opioids can be metabolized.

These factors further detail how individual variability makes it difficult to predict exactly how long opioids will stay in the body. Medical advice needs to be tailored on an individual basis because of such variability.

How to get Opioid out of your system?

A combination of good practice, coupled with medical support, can speed up the process of removing opioids from the system. Of course, no method will ensure immediate elimination, but the following tips might help accelerate the process:

  1. Hydrate Your Body: A good amount of water intake can support kidney function and help it excrete different types of toxins through urine.
  2. Exercise Regularly: Physical activity increases metabolism and releases opioids stored in fat tissues through perspiration.
  3. Eat Nutritiously: Fruits, vegetables, and fiber are foods that help not only the liver but also the kidneys in detoxification.
  4. Get Medical Help: Medical help may be necessary because certain medications can block the opioid receptors and thus enable the detoxification process; two such medications are naloxone and naltrexone.
  5. Consider Medical Detox Programs: Professional detox programs ensure safety during withdrawal, under medical supervision; this greatly reduces the risk of harsh withdrawal symptoms.
  6. Avoid Alcohol and Drugs: Such substances slow metabolism and complicate opioid elimination.

How long do Opioid effects last?

The effects of opioids depend on, among other factors, type, dose, and route of administration.

  • Short-acting opioids, such as heroin or oxycodone, begin having an effect within 30 minutes and then last for 4 to 6 hours.
  • Long-acting opioids take longer to act, such as methadone or extended-release morphine; their effects may last for 12 to 24 hours.
  • Symptoms of withdrawal usually begin within 12 to 30 hours after the final dose and may continue for 3 to 10 days.

Whereas the opioid effect may wear off in hours or days, beating addiction to opioids takes quite a much longer time and often requires intensive treatment.

How to get help for Opioid Abuse?

Medical care, behavioral therapies, and community support can help individuals recover from opioid abuse. Following are some of the key steps:

  • Medical Detoxification

Supervised detoxification means the withdrawal symptoms are not painful but safely managed under medical care.

  • Medication-Assisted Treatment (MAT)

This approach may make use of medications such as methadone, buprenorphine, and naltrexone to help persons with addiction control their cravings and thus avoid relapse.

  • Therapy and Counseling

Behavioral therapies, such as cognitive-behavioral therapy (CBT) or motivational interviewing (MI), can help the patient address the root causes of opioid abuse and develop healthy coping habits.

  • Support Groups

Participation and attendance in recovery groups like Narcotics Anonymous (NA) provide peer-based support and accountability.

  • Inpatient Rehabilitation

These are intensive, organized programs offering a supporting environment to focus on recovery.

  • Outpatient Treatment

The outpatient programs provide continued support to those who need flexibility while still maintaining everyday responsibilities.

  • Sober Living Homes

Bridges Sober Apartments LA provides a highly structured sober living home to offer support through the resident’s transition from treatment back into an independent, purpose-driven life.

Frequently Asked Questions

Yes, opioids can be detected through standard drug tests by means of urine, blood, saliva, and hair. Its detection depends on the kind of opioid used, how frequently it has been used, and the sensitive nature of the testing methodology.

As such, many companies, especially in the healthcare, construction, and transportation sectors, conduct screenings that include opioids as part of their drug testing policies. This is to ensure that the workplace is safe and the employees are fit to carry out work.

Yes, even a single dose of opioids can be detected, especially through urine tests within 1-3 days of use. A first-time user is no exception, and test results depend on the timing and dosage.

Yes, different opioids have different half-lives, which determines how long each one can be detected. Short-acting opioids, like heroin, will clear within a few days. Long-acting opioids, such as methadone, may be detectable well into the week or even longer.

Secondhand exposure is unlikely to cause a positive test result except direct contact with the residuals of opioids. On the contrary, very close environments where heavy use of drugs is constantly carried out may possibly pose contamination risks. So it’s advisable to avoid such settings.

Table of contents

  • How long does Opioid stay in the body?
  • How Opioid is Processed in the Body?
  • How is Opioid measured in your body?
    • Factors impacting how long Opioid stays in your body?
  • How to get Opioid out of your system?
  • How long do Opioid effects last?
  • How to get help for Opioid Abuse?

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