MDEA may refer to:
Methyl diethanolamine (N-methyl-diethanolamine), CH3N(C2H4OH)2, a chemical used for amine gas treating, also known as gas sweetening or acid gas removal, the removal of hydrogen sulfide and carbon dioxide from gasses in the petrochemical industry
Methylenedioxyethylamphetamine (3,4-methylenedioxy-N-ethylamphetamine), C12H17NO2, an analog of the drug MDMA
Topics referred to by the same term
This disambiguation page lists articles associated with the title MDEA. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.
Retrieved from "https://en.wikipedia.org/w/index.php?title=MDEA&oldid=990648218" Category: - Disambiguation pages
Hidden categories: - Short description is different from Wikidata
All article disambiguation pages
All disambiguation pages
This page was last edited on 25 November 2020, at 18:31(UTC).
Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.
Privacy policy
About Wikipedia
Disclaimers
Contact Wikipedia
Legal & safety contacts
Code of Conduct
Developers
Statistics
Cookie statement
Mobile view
Search
Search
MDEA
2 languages
Add topic
Safety at a Glance
High Risk- Stimulants - The neurotoxic effects of MDEA may be increased when combined with other stimulants.
- Cocaine - This combination may increase strain on the heart.
- Toxicity: Short-term physical health risks of MDEA consumption include dehydration, insomnia, hyperthermia, and hyponatremia. C...
- Dangerous with: 25x-NBOH, 25x-NBOMe, Cocaine, Harmala alkaloid, MDMA (+1 more)
- Overdose risk: Stimulant overdose from MDEA is a medical emergency primarily involving cardiovascular and neurol...
If someone is in crisis, call 911 or Poison Control: 1-800-222-1222
Dosage
oral
Duration
oral
Total: 3 hrs – 6 hrsHow It Feels
The onset of MDEA unfolds over forty-five minutes to an hour, arriving with a gentler hand than its more famous sibling. A warmth builds in the torso, the heart rate rises modestly, and there is a gradual expansion of emotional availability. The come-up lacks the sudden, revelatory quality of MDMA. Instead, the transition into the empathogenic state is smooth and measured, a slow opening of emotional doors rather than a dramatic throwing open of the shutters.
As the effects develop, MDEA produces an empathogenic experience that is recognizably related to MDMA but tempered in its expression. Emotional warmth is genuine and inviting but lacks the overwhelming, almost forceful quality that defines the MDMA peak. Conversations deepen and become more honest, but the drive to confess, to bare the soul, is less insistent. Social barriers lower, affection comes easily, and there is a comfortable sense of trust and openness. Touch is enhanced pleasantly, and music carries more emotional weight. The stimulant component is mild, enough to keep the user alert and engaged but not enough to drive physical activity. The body is warm and relaxed, with moderate jaw tension and mild pupil dilation.
At the peak, roughly ninety minutes to two hours in, MDEA occupies a space slightly below MDMA in intensity and slightly above it in subtlety. The emotional openness is present without being overwhelming. The euphoria is moderate and warm rather than ecstatic. There is a contemplative quality to the peak, a tendency toward reflective conversation and quiet intimacy rather than exuberant socializing. Some users describe the headspace as more mature or grounded than MDMA, less likely to produce the wide-eyed, indiscriminate love that characterizes higher-dose MDMA experiences. Physical side effects are proportionally milder.
The decline begins around three to four hours in and is smooth. The empathogenic warmth fades gradually, and there is a gentle return to baseline emotional functioning. The comedown is milder than MDMA: less serotonergic depletion, less fatigue, and less emotional flatness in the following days. Sleep comes without significant difficulty, and the next day may carry only a faint quietness. The total experience is often described as MDMA's more subtle, more reflective cousin, an empathogenic experience for those who want the warmth without the spectacle.
Subjective Effects
The effects listed below are based on the Subjective Effect Index (SEI), an open research literature based on anecdotal reports and personal analyses. They should be viewed with a healthy degree of skepticism. These effects will not necessarily occur in a predictable or reliable manner, although higher doses are more liable to induce the full spectrum of effects.
Physical Effects
Physical(27)
- Appetite suppression— A distinct decrease in hunger and desire to eat, ranging from reduced interest in food to complete d...
- Bodily control enhancement— Bodily control enhancement is the subjective feeling of improved physical precision, coordination, a...
- Brain zaps— Brain zaps are sudden, brief, electrical shock-like sensations that originate in the head and someti...
- Dehydration— A state of insufficient bodily hydration manifesting as persistent thirst, dry mouth, and physical d...
- Difficulty urinating— Difficulty urinating, also known as urinary retention, is the experience of being unable to easily p...
- Dry mouth— A persistent, uncomfortable reduction in saliva production causing the mouth and throat to feel parc...
- Increased blood pressure— Increased blood pressure (hypertension) is an elevation of arterial pressure above the normal 120/80...
- Increased bodily temperature— Increased bodily temperature (hyperthermia) is an elevation of core body temperature above the norma...
- Increased heart rate— A noticeable acceleration of heartbeat that can range from a subtle awareness of one's pulse to a fo...
- Increased libido— A marked enhancement of sexual desire, arousal, and sensitivity to erotic stimuli that can range fro...
- Insomnia— A persistent inability to fall asleep or maintain sleep despite physical tiredness, often characteri...
- Nystagmus— Rapid, involuntary oscillating movements of the eyes that cause vision to vibrate and blur, often ma...
- Perception of bodily heaviness— Perception of bodily heaviness is the subjective feeling that one's body has become dramatically hea...
- Physical euphoria— An intensely pleasurable bodily sensation that can manifest as waves of warmth, tingling electricity...
- Physical fatigue— Physical fatigue is a state of bodily exhaustion characterized by reduced energy, diminished capacit...
- Pupil dilation— A visible enlargement of the pupil diameter (mydriasis) that can range from subtle widening to drama...
- Respiratory depression— A dangerous slowing and shallowing of breathing that can progress from barely noticeable reductions ...
- Sedation— A state of deep physical and mental calming that manifests as a progressive desire to remain still, ...
- Seizure— Uncontrolled brain electrical activity causing convulsions and loss of consciousness -- a life-threa...
- Serotonin syndrome— Serotonin syndrome is a potentially fatal medical emergency caused by excessive serotonergic activit...
- Stamina enhancement— Stamina enhancement is an increase in one's ability to sustain physical and mental exertion over ext...
- Stimulation— A state of heightened physical and mental energy characterized by increased wakefulness, elevated mo...
- Teeth grinding— An involuntary clenching and rhythmic grinding of the jaw muscles, known clinically as bruxism, that...
- Temperature regulation disruption— Impaired thermoregulation causing unpredictable fluctuations between feeling hot and cold, with risk...
- Temporary erectile dysfunction— Temporary erectile dysfunction is the substance-induced inability to achieve or sustain a penile ere...
- Vasoconstriction— A narrowing of blood vessels throughout the body that produces sensations of cold extremities, tingl...
- Vibrating vision— Vibrating vision is the subjective experience of the visual field rapidly oscillating or shaking due...
Tactile(1)
- Tactile enhancement— The sense of touch becomes dramatically heightened, making physical contact feel intensely pleasurab...
Cognitive & Perceptual Effects
Visual(5)
- Colour enhancement— An intensification of the brightness, vividness, and saturation of colors in the external environmen...
- Double vision— The visual experience of seeing a single object as two separate, overlapping images, similar to cros...
- Pattern recognition enhancement— An increased ability and tendency to perceive meaningful patterns, faces, and images within ambiguou...
- Symmetrical texture repetition— Textures appear to mirror and tessellate across surfaces in intricate, self-similar symmetrical patt...
- Tracers— Moving objects leave visible trails of varying length and opacity behind them, similar to long-expos...
Cognitive(27)
- Amnesia— A complete or partial inability to form new memories or recall existing ones during and after substa...
- Anxiety— Intense feelings of apprehension, worry, and dread that can range from a subtle background unease to...
- Anxiety suppression— A partial to complete suppression of anxiety and general unease, producing a calm, relaxed mental st...
- Cognitive euphoria— A cognitive and emotional state of intense well-being, elation, happiness, and joy that manifests as...
- Cognitive fatigue— Mental exhaustion and difficulty sustaining thought after intense cognitive experiences, common duri...
- Compulsive redosing— An overwhelming, difficult-to-resist urge to continuously take more of a substance in order to maint...
- Creativity enhancement— An increase in the ability to imagine new ideas, overcome creative blocks, think about existing conc...
- Delusion— A delusion is a fixed, false belief that is held with unshakeable certainty and is impervious to con...
- Depression— A persistent state of low mood, emotional numbness, hopelessness, and diminished interest or pleasur...
- Disinhibition— A marked reduction in social inhibitions, self-consciousness, and behavioral restraint that manifest...
- Dream potentiation— Enhanced dream vividness, complexity, and recall, often occurring as REM rebound after discontinuing...
- Dream suppression— Dream suppression is a decrease in the intensity, frequency, and recollection of dreams — ranging fr...
- Empathy enhancement— A state of intensified compassion and emotional openness in which one feels deeply connected to othe...
- Focus enhancement— An enhanced ability to direct and sustain attention on a single task or stimulus with unusual clarit...
- Immersion enhancement— A heightened capacity to become fully absorbed and engrossed in external media such as music, films,...
- Irritability— Irritability is a sustained state of emotional reactivity in which the threshold for annoyance, frus...
- Mania— Abnormally elevated mood, energy, and activity with impulsive behavior and grandiosity, associated w...
- Mindfulness— Mindfulness in the substance context refers to a state of heightened present-moment awareness in whi...
- Motivation enhancement— A heightened sense of drive, ambition, and willingness to accomplish tasks, making productive effort...
- Motivation suppression— Motivation suppression is a state of diminished drive and willingness to engage in goal-directed beh...
- Panic attack— A panic attack is a discrete episode of acute, overwhelming fear or terror that arises suddenly and ...
- Psychosis— Psychosis is a serious psychiatric state involving a fundamental break from consensus reality — char...
- Thought acceleration— The experience of thoughts occurring at a dramatically increased rate, as if the mind has been shift...
- Thought deceleration— The experience of thoughts occurring at a markedly reduced pace, as if the mind has been placed into...
- Thought loops— Becoming trapped in a repeating cycle of thoughts, actions, and emotions that loops every few second...
- Time distortion— Subjective perception of time becomes dramatically altered — minutes may feel like hours, or hours p...
- Wakefulness— An increased ability to stay awake and alert without the desire to sleep. Distinct from stimulation ...
Transpersonal(2)
- Existential self-realization— A sudden, visceral realization of the profound significance and improbability of one's own existence...
- Unity and interconnectedness— A profound sense that identity extends beyond the self to encompass other people, nature, or all of ...
Pharmacology
MDEA acts as a releasing agent and reuptake inhibitor of the monoamine neurotransmitters serotonin, dopamine and noradrenaline
Short-term physical health risks of MDEA consumption include dehydration, insomnia, hyperthermia, and hyponatremia. Continuous activity without sufficient rest or rehydration may cause body temperature to rise to dangerous levels, and loss of fluid via excessive perspiration puts the body at further risk as the stimulatory and euphoric qualities of the drug may render the user oblivious to their energy expenditure for quite some time. Diuretics such as alcohol may exacerbate these risks further.exact toxic dosage is unknown, but considered to be far greater than its active dose.
- Neurotoxicity
As with MDMA, the neurotoxicity of MDEA use has long been the subject of debate. Scientific study has resulted in the general agreement that, although it is physically safe to try in a responsible context, the administration of repeated or high dosages of MDEA is likely to be neurotoxic and cardiotoxic in some form.
Like other powerful serotonin releasing agents, MDEA is thought to cause down-regulation of serotonin reuptake transporters in the brain. The rate at which the brain recovers from serotonergic changes is unclear. One study demonstrated lasting serotonergic changes in some animals exposed to MDMA, which likely applies to MDEA as well. Other studies have suggested that the brain may recover from serotonergic damage.
- Cardiotoxicity
Like with MDMA, the long-term heavy use of MDEA is likely similarly cardiotoxic, leading to valvulopathy through its actions on the 5-HT2B receptor. In one study, 28% of long-term MDMA users (2-3 doses per week for a mean of 6 years, mean of age 24.3 years) had developed clinically evident valvular heart disease.
It is strongly recommended that one use harm reduction practices when using this substance.
As with other stimulants,moderately addictive with a high potential for abuse and is capable of causing psychological dependence among certain users. When addiction has developed, cravings and withdrawal effects may occur if a person suddenly stops their usage.with prolonged and repeated use. This results in users having to administer increasingly larger doses to achieve the same effects. After that,1-1.52-3 months to be back at baseline (in the absence of further consumption). MDEA presents cross-tolerance with Cross-all dopaminergic and serotonergic stimulants and entactogens, meaning that after the consumption of MDEA all of these will have a reduced effect. -Stimulants** - The neurotoxic effects of MDEA may be increased when combined with other stimulants. -Cocaine** - This combination may increase strain on the heart.
- Serotonin syndrome risk
There is an increased risk of serotonin syndrome when MDEA is taken with many antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Additionally, if MDEA is taken with SSRIs and SNRIs, the MDEA will be significantly less powerful or may have no distinguishable effects at all.
Internationally, MDEA is part of the the Convention on Psychotropic Substances of 1971 as a Schedule I substance. (MDE)
Austria: MDEA is illegal to possess, produce and sell under the SMG (Suchtmittelgesetz Österreich).
Brazil: MDEA is illegal to possess, produce or sell as it is listed on Portaria SVS/MS nº 344 as "MDE".
Canada: MDEA is listed on the CSDA in Schedule I.
France: MDEA is scheduled as a "stupéfiant", i.e. a recognized drug of abuse. It is illegal to possess, buy, sell or manufacture.
Germany: MDEA is controlled under Anlage I BtMG (Narcotics Act, Schedule I) as of April 15, 1991. It is illegal to manufacture, possess, import, export, buy, sell, procure or to dispense it without a license. (MDE)
Switzerland: MDEA is a controlled substance specifically named under Verzeichnis D.
United Kingdom: MDEA is a Class A drug.
United States: MDEA is a Schedule I drug.
Responsible use
Stimulant
Phenethylamine
MDMA
MDEA (Wikipedia)
MDEA (Erowid Vault)
MDEA (PiHKAL / Isomer Design)
MDEA (DrugBank)
Freudenmann RW, Spitzer M (2004). The Neuropsychopharmacology and Toxicology of 3,4-methylenedioxy-N-ethyl-amphetamine (MDEA). CNS Drug Reviews. 10 (2): 89–116. https://doi.org/10.1111/j.1527-3458.2004.tb00007.x. PMID 15179441.
Detection Methods
Standard Drug Panel Inclusion
MDEA (3,4-Methylenedioxy-N-ethylamphetamine, also known as MDE or "Eve") is a methylenedioxy-substituted amphetamine that is typically detected on extended drug panels that include MDMA. Standard 5-panel tests targeting amphetamines may show variable cross-reactivity. Panels that specifically target MDMA (commonly included in 10-panel or expanded screens) will generally detect MDEA due to structural similarity.
Urine Detection
MDEA is detectable in urine for approximately 2 to 4 days. Primary metabolic pathways include N-deethylation (producing MDA), O-demethylenation, and conjugation. The presence of MDA as a metabolite means that MDA-targeted assays may also produce positive results from MDEA use. Urinary metabolite profiles can help distinguish MDEA from MDMA use.
Blood and Saliva Detection
Blood concentrations of MDEA are detectable for approximately 12 to 36 hours. Oral fluid testing can detect MDEA for 24 to 48 hours. The pharmacokinetic profile is similar to MDMA with a slightly shorter duration of action.
Hair Follicle Detection
Hair testing can detect MDEA for up to 90 days. Expanded hair panels that include MDMA and MDA may also capture MDEA. LC-MS/MS provides the specificity needed to distinguish MDEA from MDMA and MDA in hair samples.
Confirmatory Testing
GC-MS and LC-MS/MS can definitively identify MDEA and distinguish it from MDMA, MDA, and other methylenedioxy compounds. The N-ethyl group provides a distinct molecular weight and fragmentation pattern compared to the N-methyl group in MDMA.
Reagent Testing
Marquis reagent produces a dark purple to black color with MDEA, identical to the MDMA reaction due to the shared methylenedioxy group. Mecke reagent produces a dark blue-green color. Simon's reagent is positive (secondary amine), consistent with MDMA. Robadope reagent can help distinguish MDEA from MDMA based on the N-ethyl versus N-methyl differentiation. Reagent testing alone cannot reliably distinguish MDEA from MDMA.
Interactions
| Substance | Status | Note |
|---|---|---|
| 25x-NBOH | Dangerous | — |
| 25x-NBOMe | Dangerous | — |
| Cocaine | Dangerous | — |
| Harmala alkaloid | Dangerous | Extreme serotonin syndrome risk; potentially fatal — MAOIs massively potentiate MDMA |
| Peganum harmala | Dangerous | Extreme serotonin syndrome risk; potentially fatal — MAOIs massively potentiate MDMA |
| MDMA | Unsafe | — |
| Alcohol | Uncertain | — |
| Dissociatives | Uncertain | — |
History
In the United States, MDEA was introduced recreationally in 1985 as a legal substitute to the newly banned MDMA before it was made a Schedule I substance two years later on August 13, 1987 under the Federal Analogue Act.
Short-term physical health risks of MDEA consumption include dehydration, insomnia, hyperthermia, and hyponatremia. Continuous activity without sufficient rest or rehydration may cause body temperature to rise to dangerous levels, and loss of fluid via excessive perspiration puts the body at further risk as the stimulatory and euphoric qualities of the drug may render the user oblivious to their energy expenditure for quite some time. Diuretics such as alcohol may exacerbate these risks further.exact toxic dosage is unknown, but considered to be far greater than its active dose.
- Neurotoxicity
As with MDMA, the neurotoxicity of MDEA use has long been the subject of debate. Scientific study has resulted in the general agreement that, although it is physically safe to try in a responsible context, the administration of repeated or high dosages of MDEA is likely to be neurotoxic and cardiotoxic in some form.
Like other powerful serotonin releasing agents, MDEA is thought to cause down-regulation of serotonin reuptake transporters in the brain. The rate at which the brain recovers from serotonergic changes is unclear. One study demonstrated lasting serotonergic changes in some animals exposed to MDMA, which likely applies to MDEA as well. Other studies have suggested that the brain may recover from serotonergic damage.
- Cardiotoxicity
Like with MDMA, the long-term heavy use of MDEA is likely similarly cardiotoxic, leading to valvulopathy through its actions on the 5-HT2B receptor. In one study, 28% of long-term MDMA users (2-3 doses per week for a mean of 6 years, mean of age 24.3 years) had developed clinically evident valvular heart disease.
It is strongly recommended that one use harm reduction practices when using this substance.
As with other stimulants,moderately addictive with a high potential for abuse and is capable of causing psychological dependence among certain users. When addiction has developed, cravings and withdrawal effects may occur if a person suddenly stops their usage.with prolonged and repeated use. This results in users having to administer increasingly larger doses to achieve the same effects. After that,1-1.52-3 months to be back at baseline (in the absence of further consumption). MDEA presents cross-tolerance with Cross-all dopaminergic and serotonergic stimulants and entactogens, meaning that after the consumption of MDEA all of these will have a reduced effect. -Stimulants** - The neurotoxic effects of MDEA may be increased when combined with other stimulants. -Cocaine** - This combination may increase strain on the heart.
- Serotonin syndrome risk
There is an increased risk of serotonin syndrome when MDEA is taken with many antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Additionally, if MDEA is taken with SSRIs and SNRIs, the MDEA will be significantly less powerful or may have no distinguishable effects at all.
Internationally, MDEA is part of the the Convention on Psychotropic Substances of 1971 as a Schedule I substance. (MDE)
Austria: MDEA is illegal to possess, produce and sell under the SMG (Suchtmittelgesetz Österreich).
Brazil: MDEA is illegal to possess, produce or sell as it is listed on Portaria SVS/MS nº 344 as "MDE".
Canada: MDEA is listed on the CSDA in Schedule I.
France: MDEA is scheduled as a "stupéfiant", i.e. a recognized drug of abuse. It is illegal to possess, buy, sell or manufacture.
Germany: MDEA is controlled under Anlage I BtMG (Narcotics Act, Schedule I) as of April 15, 1991. It is illegal to manufacture, possess, import, export, buy, sell, procure or to dispense it without a license. (MDE)
Switzerland: MDEA is a controlled substance specifically named under Verzeichnis D.
United Kingdom: MDEA is a Class A drug.
United States: MDEA is a Schedule I drug.
Responsible use
Stimulant
Phenethylamine
MDMA
MDEA (Wikipedia)
MDEA (Erowid Vault)
MDEA (PiHKAL / Isomer Design)
MDEA (DrugBank)
Freudenmann RW, Spitzer M (2004). The Neuropsychopharmacology and Toxicology of 3,4-methylenedioxy-N-ethyl-amphetamine (MDEA). CNS Drug Reviews. 10 (2): 89–116. https://doi.org/10.1111/j.1527-3458.2004.tb00007.x. PMID 15179441.
Harm Reduction
As with other stimulants,moderately addictive with a high potential for abuse and is capable of causing psychological dependence among certain users. When addiction has developed, cravings and withdrawal effects may occur if a person suddenly stops their usage.with prolonged and repeated use. This results in users having to administer increasingly larger doses to achieve the same effects. After that,1-1.52-3 months to be back at baseline (in the absence of further consumption). MDEA presents cross-tolerance with Cross-all dopaminergic and serotonergic stimulants and entactogens, meaning that after the consumption of MDEA all of these will have a reduced effect. -Stimulants** - The neurotoxic effects of MDEA may be increased when combined with other stimulants. -Cocaine** - This combination may increase strain on the heart.
- Serotonin syndrome risk
There is an increased risk of serotonin syndrome when MDEA is taken with many antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Additionally, if MDEA is taken with SSRIs and SNRIs, the MDEA will be significantly less powerful or may have no distinguishable effects at all.
Internationally, MDEA is part of the the Convention on Psychotropic Substances of 1971 as a Schedule I substance. (MDE)
- Austria: MDEA is illegal to possess, produce and sell under the SMG (Suchtmittelgesetz Österreich).
- Brazil: MDEA is illegal to possess, produce or sell as it is listed on Portaria SVS/
Toxicity & Safety
Short-term physical health risks of MDEA consumption include dehydration, insomnia, hyperthermia, and hyponatremia. Continuous activity without sufficient rest or rehydration may cause body temperature to rise to dangerous levels, and loss of fluid via excessive perspiration puts the body at further risk as the stimulatory and euphoric qualities of the drug may render the user oblivious to their energy expenditure for quite some time. Diuretics such as alcohol may exacerbate these risks further.
The exact toxic dosage is unknown, but considered to be far greater than its active dose.
Neurotoxicity
As with MDMA, the neurotoxicity of MDEA use has long been the subject of debate. Scientific study has resulted in the general agreement that, although it is physically safe to try in a responsible context, the administration of repeated or high dosages of MDEA is likely to be neurotoxic and cardiotoxic in some form.
Like other powerful serotonin releasing agents, MDEA is thought to cause down-regulation of serotonin reuptake transporters in the brain. The rate at which the brain recovers from serotonergic changes is unclear. One study demonstrated lasting serotonergic changes in some animals exposed to MDMA, which likely applies to MDEA as well. Other studies have suggested that the brain may recover from serotonergic damage.
Cardiotoxicity
Like with MDMA, the long-term heavy use of MDEA is likely similarly cardiotoxic, leading to valvulopathy through its actions on the 5-HT2B receptor. In one study, 28% of long-term MDMA users (2-3 doses per week for a mean of 6 years, mean of age 24.3 years) had developed clinically evident valvular heart disease.
It is strongly recommended that one use harm reduction practices when using this substance.
Tolerance and addiction potential
As with other stimulants, the chronic use of MDEA can be considered moderately addictive with a high potential for abuse and is capable of causing psychological dependence among certain users. When addiction has developed, cravings and withdrawal effects may occur if a person suddenly stops their usage.
Tolerance to many of the effects of MDEA develops with prolonged and repeated use. This results in users having to administer increasingly larger doses to achieve the same effects. After that, it takes about 1-1.5 months for the tolerance to be reduced to half and 2-3 months to be back at baseline (in the absence of further consumption). MDEA presents cross-tolerance with all dopaminergic and serotonergic stimulants and entactogens, meaning that after the consumption of MDEA all of these will have a reduced effect.
Dangerous interactions
Warning: Many psychoactive substances that are reasonably safe to use on their own can suddenly become dangerous and even life-threatening when combined with certain other substances. The following list provides some known dangerous interactions (although it is not guaranteed to include all of them).
Always conduct independent research (e.g. Google, DuckDuckGo, PubMed) to ensure that a combination of two or more substances is safe to consume. Some of the listed interactions have been sourced from TripSit.
25x-NBOMe & 25x-NBOH - 25x compounds are highly stimulating and physically straining. Combinations with MDEA should be strictly avoided due to the risk of excessive stimulation and heart strain. This can result in increased blood pressure, vasoconstriction, panic attacks, thought loops, seizures, and heart failure in extreme cases.
Alcohol - Combining alcohol with stimulants can be dangerous due to the risk of accidental over-intoxication. Stimulants mask alcohol's depressant effects, which is what most people use to assess their degree of intoxication. Once the stimulant wears off, the depressant effects will be left unopposed, which can result in blackouts and severe respiratory depression. If mixing, the user should strictly limit themselves to only drinking a certain amount of alcohol per hour.
DXM - Combinations with DXM should be avoided due to its inhibiting effects on serotonin and norepinephrine reuptake. There is an increased risk of panic attacks and hypertensive crisis, or serotonin syndrome with serotonin releasers (MDMA, methylone, mephedrone, etc.). Monitor blood pressure carefully and avoid strenuous physical activity.
MDMA - Any neurotoxic effects of MDMA are likely to be increased when other stimulants are present. There is also a risk of excessive blood pressure and heart strain (cardiotoxicity).
MXE - Some reports suggest combinations with MXE may dangerously increase blood pressure and increase the risk of mania and psychosis.
Dissociatives - Both classes carry a risk of delusions, mania and psychosis, and these risk may be multiplied when combined.
Stimulants - MDEA may be dangerous to combine with other stimulants like cocaine as they can increase one's heart rate and blood pressure to dangerous levels.
Tramadol - Tramadol is known to lower the seizure threshold and combinations with stimulants may further increase this risk.
MAOIs - This combination may increase the amount of neurotransmitters such as dopamine to dangerous or even fatal levels. Examples include syrian rue, banisteriopsis caapi, and some antidepressants.
Stimulants - The neurotoxic effects of MDEA may be increased when combined with other stimulants.
Cocaine - This combination may increase strain on the heart.
Serotonin syndrome risk
Combinations with the following substances can cause dangerously high serotonin levels. Serotonin syndrome requires immediate medical attention and can be fatal if left untreated.
MAOIs - Such as banisteriopsis caapi, syrian rue, phenelzine, selegiline, and moclobemide.
Serotonin releasers - Such as MDMA, 4-FA, methamphetamine, methylone and αMT.
SSRIs - Such as citalopram and sertraline
SNRIs - Such as tramadol and venlafaxine
5-HTP There is an increased risk of serotonin syndrome when MDEA is taken with many antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Additionally, if MDEA is taken with SSRIs and SNRIs, the MDEA will be significantly less powerful or may have no distinguishable effects at all.
Addiction Potential
moderately addictive with a high potential for abuse
Overdose Information
Stimulant overdose from MDEA is a medical emergency primarily involving cardiovascular and neurological toxicity.
Signs of overdose: Extremely rapid or irregular heartbeat, chest pain, severe headache, dangerously elevated body temperature, seizures, agitation progressing to psychosis, confusion, and loss of consciousness.
Emergency response:
- Call emergency services immediately
- Keep the person cool (remove excess clothing, apply cool water)
- If seizures occur, protect the head and clear the area of hard objects
- If the person loses consciousness, place in recovery position
- Do not give the person more stimulants, caffeine, or depressants unless directed by medical professionals
Prevention: Pre-measure doses. Avoid redosing. Stay hydrated (but don't overhydrate). Take breaks from physical activity. Monitor heart rate if possible. Have someone present who can recognize warning signs.
Dangerous Interactions
The combinations listed below may be life-threatening. Independent research should always be conducted to ensure safety when combining substances.
Extreme serotonin syndrome risk; potentially fatal — MAOIs massively potentiate MDMA
Extreme serotonin syndrome risk; potentially fatal — MAOIs massively potentiate MDMA
Tolerance
| Full | with prolonged and repeated use |
| Half | 1-1.5 months |
| Zero | 2-3 months |
Cross-tolerances
Legal Status
Internationally, MDEA is part of the the Convention on Psychotropic Substances of 1971 as a Schedule I substance. (MDE)
Austria: MDEA is illegal to possess, produce and sell under the SMG (Suchtmittelgesetz Österreich).
Brazil: MDEA is illegal to possess, produce or sell as it is listed on Portaria SVS/MS nº 344 as "MDE".
Canada: MDEA is listed on the CSDA in Schedule I.
France: MDEA is scheduled as a "stupéfiant", i.e. a recognized drug of abuse. It is illegal to possess, buy, sell or manufacture.
Germany: MDEA is controlled under Anlage I BtMG (Narcotics Act, Schedule I) as of April 15, 1991. It is illegal to manufacture, possess, import, export, buy, sell, procure or to dispense it without a license. (MDE)
Switzerland: MDEA is a controlled substance specifically named under Verzeichnis D.
United Kingdom: MDEA is a Class A drug.
United States: MDEA is a Schedule I drug.
Responsible use
Stimulant
Phenethylamine
MDEA (Wikipedia)
MDEA (Erowid Vault)
MDEA (PiHKAL / Isomer Design)
MDEA (DrugBank)
Freudenmann RW, Spitzer M (2004). The Neuropsychopharmacology and Toxicology of 3,4-methylenedioxy-N-ethyl-amphetamine (MDEA). CNS Drug Reviews. 10 (2): 89–116. https://doi.org/10.1111/j.1527-3458.2004.tb00007.x. PMID 15179441.
Experience Reports (1)
Tips (4)
Weigh your dose of MDEA with a milligram scale. Street stimulants vary wildly in purity and potency. What looks like a normal amount could be significantly stronger than expected, especially with a new batch.
Have a landing plan for the MDEA comedown. Prepare food, melatonin or magnesium, and a comfortable environment in advance. Avoid using depressants to manage the comedown as this creates polydrug dependency patterns.
Supplement magnesium glycinate when using MDEA to reduce jaw clenching, muscle tension, and bruxism. Also maintain electrolytes, B vitamins, and vitamin C which are depleted faster under stimulant use.
Do not combine MDEA with MAOIs or other serotonergic drugs. Many stimulants have serotonergic activity, and combinations can cause serotonin syndrome or hypertensive crisis, both medical emergencies.
See Also
References (4)
- MDMA-assisted therapy for PTSD — Mithoefer et al. Psychopharmacology (2019)paper
- PubChem: MDEA
PubChem compound page for MDEA (CID: 105039)
pubchem - MDEA - TripSit Factsheet
TripSit factsheet for MDEA
tripsit - MDEA - Wikipedia
Wikipedia article on MDEA
wikipedia