;Psykologiske
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* Angst eller paranoia<ref name="Toxnet MDMA after-effects">{{cite web|title=3,4-Methylenedioxymethamphetamine|url=http://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+42542-10-9|website=Hazardous Substances Data Bank|publisher=National Library of Medicine|access-date=22. august 2014|date=28. august 2008}}</ref>
* Depression<ref name="Current2013" /><ref name="Toxnet MDMA after-effects" />
* Irritabilitet<ref name="Toxnet MDMA after-effects" />
* Impulsivitet<ref name="Toxnet MDMA after-effects" />
* Rastløshed<ref name="Toxnet MDMA after-effects" />
* Hukommelsessvækkelse<ref name="Current2013" />
* [[Anhedoni]] (manglende evne til at være glad)<ref name="Toxnet MDMA after-effects" />
{{div col end}}
Kemi