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 (MDA) [meth″il-di-ok″se-am-fet´ah-mēn]
a hallucinogenic compound chemically related to amphetamine and mescaline; it is widely abused and causes dependence.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


A phenethylamine and amphetamine class of psychoactive agent, used primarily as a recreational drug but also to facilitate transcendence, meditation, psychedelic psychotherap and psychonautics. There are no medical indications for MDA.

Adverse effects
Cardiovascular and CNS stimulation; acute effects include agitation, sweating, hypertension, tachycardia, hyperthermia, convulsions, death.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


1. Mento-dextra anterior–obstetrics.
2. Methydopamine.
3. 3,4-Methylenedioxymethamphetamine. See Ecstasy.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Mr Loughton said: "The Medical Devices Agency concluded it was isolated to the flanges manufactured for here only and decided it was just a local problem.
* has initiated dialog with the Japanese regulatory authority, the Pharmaceuticals and Medical Devices Agency (PMDA); and
The Leesburg, Va.-based spinal device firm was recently given approval by Japan's Pharmaceuticals and Medical Devices Agency to sell its MESA spinal screw system there.
Along with this new plan, the Ministry of Health, Labor and Welfare (MHLW) and its evaluation agency, the Pharmaceuticals & Medical Devices Agency (PMDA), are going to reinforce the post-marketing surveillance system beginning in April.
Based on the results of clinical trials conducted in the Japan, EU and the US, the company plans to launch a global phase III clinical trial in August, with consent from both FDA and the Pharmaceuticals and Medical Devices Agency.
All women who had their implants removed after the Government's Medical Devices Agency made its recommendation in June will receive compensation, regardless of whether they have suffered any health problems or not.
Gambro and the Medical Devices Agency issued a warning to all health authorities, advising them to change the date on the equipment or manually disinfect the machines.
The Medical Devices Agency and the Health and Safety Executive were called in and three operating theatres taken out of use while checks were carried out.
The Government's Medical Devices Agency now believes the artificial joints have "poor short-term performance".
FDA, the European Medicines Agency and the Japanese Pharmaceuticals and Medical Devices Agency. Pending positive Phase 3 results, Myovant expects to submit a New Drug Application for relugolix with the FDA in early 2020.
The Pharmaceuticals and Medical Devices Agency (PMDA) in Japan has given argenx (EPA: ARGX) its feedback on the design of a Phase 3 trial and regulatory pathway towards potential marketing authorisation of efgartigimod (ARGX-113) in patients with generalised myasthenia gravis (gMG), the company announced on Wednesday.

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