2,5-Dimethoxy-4-methylamphetamine What are the long-term effects of DOM? Asked by tmorgan 12 years ago 10/31/2012 6:46 AM Last updated by anonymous 12 years ago 11/1/2012 11:25 AM
DOM is one of the active ingredients in peyote and mescaline. Long-term effects of some users include “flashbacks,” or hallucinogen persisting perception disorder (HPPD), which are reoccurrences of hallucinations long after ingesting the drug.