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Do Shrooms Show Up On A Drug Test?

Shrooms, also known as magic mushrooms, are psychedelic mushrooms that contain the compound psilocybin. When ingested, they can produce psychoactive effects such as visual and auditory hallucinations.

Though they may show up on specific drug tests designed to detect hallucinogens, the compounds are broken down relatively quickly in the body. Consequently, many drug tests will not detect them if testing is carried out sometime after ingestion.

The duration of traces of psilocybin in a person’s system would depend on various factors such as how much was taken and individual body chemistry or metabolism. Research suggests that traces can be found anywhere from 8 hours to 4 days following intake; however, it is thought that an average adult with a healthy liver will take about 1-3 days for all of the drugs to be completely metabolized.

In addition, there have been suggestions that shroom users might try drinking lots of water or herbal treatments such as cilantro tea in order to flush out any remainder quicker. Although this has not been proven, this could potentially help reduce the chances of being detected in a standard drug test if testing is random or unexpected.

Do Psychedelic Mushrooms Appear on Drug Tests?

Mushrooms, also known as ‘shrooms’, do not typically show up on drug tests. According to information from the Drug and Alcohol Testing Industry Association, most standard panel tests will not detect this form of hallucinogen. However, there are specialized tests that may employ markers for the detection of shrooms when used for certain purposes such as screening job applicants.

The body metabolizes these types of compounds relatively quickly—making it difficult to detect them from blood or urine panels commonly used in regular drug testing. This is why testing positive for shrooms on the standard drug test is generally unlikely unless you are aware that a specialized test is being administered by your provider or employer.

While this is less common than other forms of drug testing, it is still important to be aware of potential scenarios where mushrooms can potentially show up in the results.

Urine drug tests

Urine drug tests are a type of screening used by many employers and medical professionals that detect the presence of five different categories of drugs. These categories include cannabis, cocaine, amphetamines, opiates, and phencyclidine (PCP).

The Substance Abuse and Mental Health Services Administration (SAMHSA) notes that urine testing is the most widely used form of drug testing due to its convenience, accuracy, and reliability. Urine tests use an individual’s sample to detect the presence of specific chemicals in their system which show whether or not they have used any of the specified drugs recently.

Urine tests are especially popular with employers because they can drastically reduce incidents related to drugs and intoxication on the job. This helps ensure workplace safety while also providing peace of mind for all staff members involved.

They can be performed quickly during pre-employment screenings and follow-up checks on current employees without disruption to everyday operations or productivity. Urine tests are also useful for health professionals as there may be occasions where patients require drug screens for treatment or diagnosis purposes.

Hair follicle drug tests

Hair follicle drug tests are an accurate and comprehensive type of test that can check for a wide range of compounds over an extended time. This type of screening can detect compounds such as hallucinogens or other illicit substances in the system for up to 90 days after use. Though effective, hair follicle testing is not as commonly used in comparison to urine tests due to its higher cost and greater complexity to analyze.

The Substance Abuse and Mental Health Services Administration (SAMHSA) officially note that only urine samples are collected and tested according to federally-regulated programs.

For this reason, businesses or organizations in regard to these policies may opt for the quicker and cheaper method of a urine test, with the full understanding that this type will only detect drugs within a shorter window (24-72 hours). Ultimately, each situation may require unique methods based on the desired goal at hand.

How long do shrooms stay in the system?

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After ingesting hallucinogenic mushrooms, the body quickly begins to break down the active components, such as psilocybin and its active form psilocin. The effects of this process start relatively soon after ingestion with changes in emotion perception and consciousness occurring in only 20-30 minutes.

During this time, individuals may experience an altered state of mind which could last for several hours depending on factors such as dose size and individual biochemistry.

The body also begins to rapidly metabolize these compounds shortly after. Psilocin is primarily broken down via liver activity into inactive metabolites that are eventually excreted from the body.

The speed at which this occurs varies but studies have shown that most of it can be cleared from the bloodstream within 4-5 hours after ingestion.

It is important to note, however, that it could stay in one’s system longer depending on multiple factors so monitoring physiological responses is highly recommended when consuming hallucinogenic mushrooms.

Factors That Affect How Long Mushrooms Stay in Your System

Similar to other substances, various factors will influence the duration for which shrooms remain detectable within your body, impacting drug test results and physiological effects.


Hallucinogenic drugs are often eliminated quickly from the body and psilocybin mushrooms are no exception. The time between ingestion and testing can play a major role in the detection of shrooms if the right drug test is used. In essence, the closer to ingestion a person gets tested, the higher likelihood there is shrooms will be detected.

Species of Mushroom

Mushrooms are fascinating and diverse organisms that come in a variety of shapes and sizes. In fact, there is estimated to be around 75 to 200 different species of mushrooms containing the hallucinogenic compound psilocybin.

Each of these species contains varying levels of the active compound, with some being more potent than others. This means that if someone ingests one species containing higher levels of the compound, they could experience more intense effects and have it appear in drug tests for a longer period of time.

Method of Use

Shrooms can be consumed in a variety of ways, allowing individuals to choose the method that best suits their needs. The most popular way to consume shrooms is to eat either fresh or dried mushrooms.

Fresh shrooms have a slightly more intense flavor and are generally considered more potent than dried. Individuals may also mix shrooms into food for easier consumption, and some people prefer to drink them as a tea for easy digestion.


The dosage of psilocybin you consume affects not only the duration and intensity of your trip but also how long it stays in your system. Different people will consume different amounts, explicitly tailored to their individual experience levels and desired effects.

For example, a commonly recommended dosage size is 3.5 grams, although some may take more or less depending on their needs and preferences.

Generally speaking, when larger amounts of shrooms are consumed, it leads to longer-lasting effects with a correspondingly greater window of detection in the user’s system.

Age and Body

As we age, the body begins to go through many changes. The metabolism of an individual slows down and affects the rate at which substances like shrooms are eliminated from the body. For example, psilocybin, a substance found in mushrooms, will stay in the system longer the older we become.

This can be attributed to decreased liver and kidney function which is common as we age. Some other factors that play into how quickly certain substances leave our bodies are BMI (body mass index) and water content.

If you have excess fat or are unusually dehydrated, this can cause substances to remain active in your system for an extended period of time.

Tips for flushing psilocybin quicker

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Psilocybin, a compound found in certain species of mushrooms, leaves the body relatively quickly after ingestion. This is great news for those interested in trying it; however, there are some tips one can follow to ensure that the psychoactive compounds leave their system even faster.

Taking a lower dose may help accelerate this process, as with less material for the body’s metabolism to break down, the entire process will be quicker. Furthermore, drinking water throughout consumption may aid in flushing psilocybin from the body more quickly.

The kidneys are responsible for filtering and excreting many foreign compounds from our systems and a steady supply of water ensures that they are able to not just do this faster but more efficiently.

Final Thoughts

Shrooms and other hallucinogens are considered to be relatively safe and do not appear on common drug tests. This is in part due to their short window of detection; the body usually starts breaking down and excreting these substances after only a day.

While there are specific tests designed to detect them, they are not widely used at the moment and thus it’s pretty safe to consume shrooms, as long as it’s done responsibly.

Those in high-stakes roles or who are worried about failing random drug tests should take extra caution, though, since specialized tests for psilocybin do exist.

While this might pose a threat in certain cases, individuals taking precautionary steps can largely rest assured that the compounds will no longer be detectable within just 24 hours following consumption.