MDMA Toxicity Clinical Presentation
- Author: In-Hei Hahn, MD, FACEP; Chief Editor: Asim Tarabar, MD more...
History
The patient, friends, emergency medical services (EMS), or the authorities may provide history regarding the possibility of drug abuse. These patients usually present on weekends, often late at night or in the early morning hours after many hours of dancing at raves. Emergency Medical Services (EMS) or the authorities can provide information as to the setting in which they were found (eg, clubs, raves, bars). Sometimes, patients may be carrying MDMA tablets with motif symbols and rave paraphernalia such as neon glow sticks and "smart drinks," which are blended fruit juices with amino acids. However, in the absence of any history, always consider sympathomimetic drugs, such as amphetamines and cocaine, in any young patient who presents with altered mental status and autonomic hyperactivity.
Typically, patients present to the ED either immediately after an ingestion, indicating an acute adverse reaction, or, more commonly, after the euphoric high has subsided and they have tried repeated dosing or co-ingestion with other drugs. Often, patients have mixed toxidromic presentations because of co-ingestion with alcohol, marijuana, ketamine, gamma-hydroxybutyrate (GHB), heroin, or cocaine.
- Central nervous system
- Change in mental status, seizures
- Anxiety, paranoia
- Increased psychomotor activity, restlessness
- Hyperthermia, hot flashes
- Headache
- Ataxia
- Blurred vision, halos
- Syncope
- Cardiovascular
- Palpitations
- Chest pain
- Gastrointestinal
- Dry mouth
- Nausea, vomiting
- Abdominal cramping
- Anorexia
- Skin
- Diaphoresis
- Piloerection
- Other - Pregnancy (Studies have shown that prenatal exposure to MDMA in pregnant rats induces transient and long-term neurochemical and behavioral modifications in dopaminergic and serotonergic functions.[6] )
- Urinary retention, difficulty voiding
- Sexual dysfunction
- Dental - Bruxism (jaw clenching) is frequently observed in MDMA users resulting in enamel erosion and dental decay with consequent tooth fracture and gum recession.
Physical
Physical examination findings demonstrate sympathomimetic hyperstimulation on various organ systems in the body; they can help focus on the most likely toxidrome; keep in mind that polysubstance abuse is the rule rather than the exception.
Pay particular attention to vital signs. MDMA toxicity results in tachycardia, hypertension, and hyperthermia. Obtain a rectal temperature along with frequent serial checks on the patient's neurologic status.
- Head, ears, eyes, nose, and throat
- Mydriasis
- Nystagmus
- Decreased visual acuity
- Bruxism (ie, teeth grinding)
- Trismus, jaw clenching
- Eroded enamel
- Dry mouth
- Central nervous system
- Hyperthermia
- Increased psychomotor agitation
- Hypervigilance
- Agitation, anxiety
- Ataxia
- Hallucinations (very rare)
- Hypertensive crisis (can lead to symptoms of stroke)
- Cardiovascular
- Tachycardia
- Dysrhythmias (eg, premature ventricular contractions, supraventricular tachycardias, ventricular tachycardia, ventricular fibrillation)
- Respiratory
- Respiratory distress (rare; patients are usually polysubstance abusers)
- Respiratory failure, aspiration, noncardiogenic pulmonary edema
- Other
- Diaphoresis
- Abdominal cramping
- Muscle spasm
- Sexual dysfunction (difficulty having orgasm)
- Urinary retention
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