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How Long Does Mdma Stay in Your System?

How long does MDMA stay in your system? Learn everything you need to know about MDMA in this informative guide.

What Is MDMA (Ecstasy)?

What is MDMA, and how long does MDMA stay in your system? MDMA (3,4-methylenedioxymethamphetamine), also known as molly or ecstasy, is a synthetic psychedelic stimulant. It induces euphoria, increased energy, and emotional warmth. It is a staple at festivals and parties in its capsule and tablet forms. This may affect drug distribution and half-life.

MDMA is currently illegal in most countries, including the United States. Many dangers are associated with this drug, including loss of consciousness, seizures, and death. Long-term use of MDMA can cause cognitive impairment, memory deficits, and an increased risk of mental health issues.1

How long does MDMA stay in your system?

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What Is MDMA Used for?

MDMA is primarily used recreationally for feelings of euphoria, emotional warmth, empathy towards others, and increased energy. The effects of this drug may be related to the question, “How long does MDMA stay in your system?”

Some studies suggest that it may have therapeutic benefits, particularly in the treatment of post-traumatic stress disorder (PTSD) and anxiety related to terminal illnesses. In controlled settings, MDMA helped individuals cope with traumatic experiences and communicate more clearly with professionals.2

Is MDMA Safe and Approved?

More research is required to determine its safety and effectiveness for therapy. Therefore, MDMA is not approved for clinical use by important regulatory bodies such as the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA).

MDMA Half-Life

Ecstasy has a half-life of around eight hours. This means that the concentration of MDMA in the body will be halved within eight hours from ingestion. So, how long does MDMA stay in your system? The half-life is a great way to determine this answer.
Once MDMA enters the bloodstream, the liver and kidneys eliminate most of the drug. The liver breaks down around two-thirds of the drug into smaller compounds (metabolites), while the kidneys filter out the MDMA and metabolites into the urine.3

What Are the Risks of Taking MDMA?

Ecstasy has a range of short- and long-term risks associated with its use. These may have physical or mental manifestations. Some physical risks of MDMA use include high blood pressure, dehydration, kidney failure, and heart problems. Depression and memory problems may be detected with long-term use.

Potential for drug-drug interactions also exist with substances like alcohol. These can intensify the risks of side effects. Understanding the factors that impact the question, “how long does MDMA stay in your system?” can influence how you view the risks.

What Drug Tests Can Be Used to Detect MDMA?

MDMA can be detected in the human body using a range of tests. They include blood, hair, saliva, and urine tests. Which test should be used when determining how long does MDMA stay in your system?
Urine tests are the most commonly used type of drug test, as they are easy and affordable. They can also detect MDMA for a slightly longer duration than other tests, such as blood and saliva. Hair tests are the most effective for detecting drugs months after the last use. However, they are far more expensive, so this method is not as common as the others.

How Long Does MDMA Stay in Your System?

How long does MDMA stay in your system? Research indicates that the body takes around five half-lives to eliminate 95% of the drug. This equates to about forty hours, as the half-life of MDMA is eight hours.4
However, this does not determine how long MDMA can be detected via tests. In fact, each test can detect molly for different periods of time. Further, metabolism, frequency of use, and dose can affect the answer to the question “how long does MDMA stay in your system?”


Blood tests can detect MDMA in the system up to twenty-four hours after the last dose. This is the shortest detection time among the tests.


MDMA can be detected in saliva within twenty-four to forty-eight hours of ingestion.


As the kidneys filter out most of the MDMA into the urine, the drug can be detected with this method a little longer than blood and saliva. Urine tests can detect ecstasy up to three days after the last use.


Hair tests are the most sensitive and the most expensive. They test for the presence of MDMA or its derivatives in the hair follicles, which can last as long as ninety days.
Therefore, if we were to answer the question, how long does MDMA stay in your system, we could use ninety days as a yardstick.

What Are the Side Effects of MDMA?

Ecstasy affects the central nervous system, particularly the brain. It causes an imbalance by increasing the concentrations of chemical messengers like dopamine, norepinephrine, and serotonin. It also causes physical side effects like dehydration.

Common Side Effects

Knowing how long does MDMA stay in your system can help determine the length of its side effects. Common MDMA side effects include:
  • Dry Mouth: This is a result of chemical imbalances. It can make swallowing and speaking difficult.
  • Muscle Cramps: MDMA causes muscle tension and jaw-clenching, resulting in soreness throughout the body. 
  • Nausea/Vomiting: As the body absorbs molly, the nerves in the digestive system react to the drug’s effects by causing an upset stomach.
  • Sweating: Serotonin and dopamine activate the sweat glands. Thus, the boost of these chemicals can cause increased sweating. This also contributes to dehydration.
  • Vision Problems: MDMA causes the pupils to dilate, leading to elevated ocular pressure, temporary disorientation, and blurred vision.
  • Decreased Appetite: Serotonin can suppress appetite. The increase in serotonin caused by MDMA can decrease hunger.
  • Depression: This is a long-term side effect that might be due to fluctuations in dopamine, norepinephrine, and serotonin, which contribute to mood.
Note that considering how long does MDMA stay in your system can help you understand the duration and severity of the side effects.

Factors That Affect the Detection Time of MDMA

How long does MDMA stay in your system? Different factors affect the duration and detection time of this drug. These factors will be detailed below.


People metabolize drugs at varying speeds. Faster metabolism rates may provide shorter detection windows.

Body Mass Index (BMI)

Higher fat content can increase the time MDMA and its metabolites stay in the body.


Body surface area, fat distribution, metabolism, and weight typically increase with age. These factors affect how long MDMA stays in the system.

Liver Function

MDMA is metabolized predominantly in the liver. So, the better the liver function, the faster the metabolism.

Kidney Function

The kidneys filter MDMA into the urine. Therefore, kidney function can play a significant role when determining how long does MDMA stay in your system.


Genetics play an important role in metabolism rates. Some people have higher levels of the enzyme required for MDMA metabolism, shortening their detection window.

How to Get MDMA Out of Your System

Overdosing is a life-threatening side effect of MDMA. An overdose occurs after ingesting too much of a substance. This prevents the body from metabolizing the drug fast enough, resulting in toxicity. It is common for people to take more ecstasy after the effects begin to wear off. Knowing the answer to the question “how long does MDMA stay in your system?” may prevent overdose.

Symptoms of MDMA Overdose

The overdose symptoms may be mild, moderate, or extreme. Some MDMA overdose symptoms include:

  • High Blood Pressure (Hypertension): This is a normal effect of MDMA. However, it could intensify at higher doses and become more complicated if uncontrolled.
  • Seizures: Seizures can happen suddenly and lead to physical or brain injuries in severe cases.
  • Loss of Consciousness: This is a common symptom of psychedelic and illegal drug overdose.
  • Feeling Faint: MDMA strains different parts of the body. Too much can cause individuals to feel faint. 
  • Panic Attacks: These may surface as a person approaches an overdose and may still occur afterward.

Dangers of MDMA Overdose

MDMA overdose is dangerous and potentially fatal, so it must be treated as an emergency. The surest and safest way to get the drug out of the system is under medical supervision. Proper care is crucial to prevent long-term damage.
Some ways to treat MDMA overdose include providing electrolytes and fluids. Blood pressure, seizures, and temperature must also be controlled using medications and cooling measures.

Symptoms of MDMA Withdrawal

When a person who uses MDMA regularly suddenly stops, this can precipitate withdrawal symptoms. The duration of symptoms is dependent on how long does MDMA stay in your system, your overall health, and the severity of substance abuse. Common symptoms include:

  • Fatigue
  • Anxiety
  • Insomnia
  • Poor memory
  • Confusion

Withdrawal can be very tasking on physical and mental health irrespective of how long does MDMA stay in your system.

How long does MDMA stay in your system?

Get MDMA Detox and Addiction Treatment at Ripple Ranch Recovery

MDMA detox and addiction treatment can be a complex process and there’s always the temptation to go back. At Ripple Ranch Recovery, we provide a conducive environment for a thorough detox. We also provide inpatient rehab and facilities for outpatient treatment.


Detoxification, or detox, is the process of eliminating toxins and substances from the body. Detoxing at a medical facility is the safest option, and the first step, when recovering from addiction. At Ripple Ranch Recovery, we practice medically managed withdrawal. This involves utilizing medications and therapies to ease and alleviate the adverse symptoms that can occur during withdrawal.

Residential Treatment

Our residential treatment program requires clients to stay at our facility for four to six weeks during detox and treatment. We provide a safe, serene, and comfortable environment that encourages healing. Our highly qualified team is available twenty-four-seven to support and guide each client throughout their recovery.

Residential treatment offers the structure needed to maintain sobriety and focus on long-term recovery. Clients are provided with a personalized treatment plan to meet their unique needs. Each plan contains a mix of individual therapy, group therapy, life skills training, holistic therapies, and 12-Step programs.

Intensive Outpatient Program (IOP)

Our intensive outpatient program (IOP) at Ripple Ranch Recovery provides the tools and therapies needed for a long-lasting recovery. This program does not require clients to stay at our facility. Instead, they are provided with a carefully created treatment plan that allows them to attend treatment sessions during the day without sacrificing obligations.

Contact Us Today to Get Started

Now that you know the answer to the question “how long does MDMA stay in your system?”, you can begin your treatment journey. Contact Ripple Ranch Recovery today to schedule an appointment.