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How long does molly stay in your system?

by Dr. Joe Morales

Molly is one of the most commonly used drugs by youth all over the world today. An overdose of molly can cause life-threatening side effects. So how long does molly stay in your system? How do you rid of molly from your system?

What is molly?

Molly is a street name for the psychoactive drug 3, 4 -Methylenedioxymethamphetamine (MDMA). Molly is known for its use as a pressed pill Ecstasy. Other names used to refer to it include legal X, legal E or A2.

Molly is used to refer to pure MDMA, which can be very dangerous. Unlike other versions of MDMA, Molly is not mixed with amphetamines.

The modern form of molly is however believed to be a cocktail of various drugs. For instance, of the molly seized in New York, the DEA reported that only 13% contained MDMA.

Today’s molly can be a mixture of Pentedrone, Methylone, 4-MEC, MDPV, MePP, and 4-MMC, combined to mimic the effects of ecstasy.

Molly is available in different forms which include powder, capsule, and injectable. This explains why Molly is the most abused drug today.

How long does molly stay in your system?

How long molly stays in your system will often vary from one person to the other. The amount of time it takes before the drug can leave your system will often depend on a lot of things. For starters, a single dose of molly will leave your system faster compared to when you take more.

Different drug tests may give a different result when testing for Molly in your system. The results of these test may differ since different drug test only come positive if there is a certain amount of drug present in your system.  So you might find yourself passing one drug test only to fail the other.

Here is an overview of how long Molly stays in your system during different drug tests:

1. Blood test?

Molly likely gets out of your blood faster than it does form your saliva, urine or hair. A blood drug test is a technical analysis of blood sample extracted from your vein. The blood can be extracted with a needle or through a finger stick.

Blood test detects the presences of the parent drug and not its inactive metabolites (products created when your body breaks down the drugs through metabolism).

A blood test has a short detection window for almost all drugs including Molly. So you will expect the drug to disappear from your bloodstream within six hours. Multiple doses of molly cannot be detected after 24 hours with a blood test.

2. Urine test or urinalysis  

A urine test can be used to analyze for the presences of both prescription and illegal drug traces in your system. Apart from methamphetamines found in molly, the test can also be used to screen for marijuana, cocaine, methadone, and opioids.

There are two types of urine drug test, immunoassay and gas chromatography. A drug back with using urine test is that both can give a false negative where the test reports a negative result even when the drug is present. Immunoassay test can also give a false positive where the result gives a positive for a drug that does not exist.

Single or multiple doses of molly can only be detected within 5 days. You are likely to pass the test when done after this duration.

3.  Saliva test

A saliva test can also be used to detect molly in your system. This involves laboratory analysis of saliva to identify markers of endocrine and immunologic among others.

With a saliva test, single or multiple doses of molly can only be detected up to five days. After this duration one can pass the drug test.

4. Hair test?

Hair drug test can be used to test for drugs and their metabolites up to 90 days after using the drug. The detection period for this test is far greater than that or blood, urine, and saliva.

For a healthy person, hair grows at a rate of approximately 1 cm per month, depending on this growth, it can be possible to determine drug use over recent months.

What affects how long molly stays in your system?

It is important to know that how long molly and other drugs stay in your system can vary from one person to the other. Here are some of the factors that will affect how long molly or other drugs last in your system:

1. The amount of molly ingested

The amount of molly you ingest is the biggest determiner of how long molly stays in your system. Generally, a single dose of molly has about 100-150 mg of MDMA, the duration it takes for it to leave your system will, therefore, vary depending on the number of doses you take. Multiple doses will obviously last longer than a single dose of molly.

2. What form of molly you took

How long molly stay in your system can also be affected by the form of molly you ingest. In theory, molly is a pure form of MDMA which can take longer to leave your system, in some case molly can be cut with other drugs such as amphetamines and stimulants which can stay in your body for varying durations.

3. Your drug tolerance

For first time users, the amount of time it takes for Molly to leave the body can be more than that of regular users whose bodies have built up a tolerance to the drug.

In such cases, this user may need to take more of the drug for it to take effect, therefore more doses of molly may take longer for your system to get rid of them.

4. Body weight and general health

How long molly stays in your body is directly proportional to your body mass index. In general, the more molly you take in comparison to your BMI the slower it will be to eliminate or get rid of it from your system.

It is true that molly tends to stay at detectable levels in smaller people longer than in those who weigh more.

5. Metabolism rate

Molly tends to stay in the system of younger people for a shorter period than in older users. This is due to their stronger immune system and increased metabolic activities.

Metabolism rate can reduce or increase the duration molly stays in your system. Basal metabolic rate is influenced by the following factors:

  • Body size where the rate increases with increase in height and weight
  • Gender, the rate averages 10% lower in women than in men
  • Climate and body temperature
  • General health, fever, illness or body injuries may result in an increasing rate or metabolism

How long does it take for drugs to get out of your system?

As mentioned, the duration of time drugs stay in your system can depend on an array of things. This will include the types of test, amount ingested, drug tolerance, the rate of metabolism and general health of the use.

Well, here is a guide of how long it will take for different drugs to get out of your system:

Drug Urine test Blood test
Molly, MDMA or Ecstasy 3-4 days 1-2 days
Alcohol 3-5 days 12 hours
amphetamines 3 days 12 hours
Marijuana 30 days 2 weeks
Cocaine 4 days 2 days
LSD 3 days 3 hours
Heroin 4 days 12 hours
Crystal meth 6 days 72 hours
Morphine 3 days 8 hours


How to pass a molly drug test

It is possible to pass a molly drug test after using it. This will, however, depend on what test is used. It is easy to pass a blood test as it has a short detection. The best way would be to stop taking the drug 48 hours before a scheduled drug test.

An alternative would be to use adulterants, which can also help beat a drug test.  One disadvantage of this is that they are easily detected and can be counterproductive. You are likely to fail the drug test once they are detected.

The other way you can pass a drug test is by eating healthy food, drinking plenty of water and eating a lot of fresh fruits and doing physical exercises before the test.

Doing all this helps your body to quickly metabolize the drug. This works well for a blood test, as it only detects the parent drug.

Effects of taking molly

Though you might be able to cheat your way past a drug test, there some effects of molly you might not be able to avoid. Molly acts as a stimulant and a psychedelic, after taking it, you are likely to experience the following side effects:

Long-term side effects will include:

  • Brain and memory damage
  • Degenerated nerve branches
  • Organ failure
  • Cardiovascular collapse
  • Convulsion

Short-term side effects will include:

  • Impaired judgment
  • Confusion, depression, and anxiety
  • Lack of sleep
  • Muscle tension
  • Chills, fever, and fainting
  • Nausea and vomiting


  1. How long do drugs stay in your system? http://www.drugs.ie/drugs_info/about_drugs/how_long_do_drugs_stay_in_your_system/
  2. How to pass a drug test: https://addictionresource.com/drug-testing/blood-drug-testing/
  3. Long and short-term effects of taking molly: http://www.drugfreeworld.org/drugfacts/ecstasy/short-long-term-effects.html
  4. How long molly stays in your system: http://www.healthynaturaldiet.com/how-long-does-molly-stay-in-your-system/

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