Amphetamine modifies ethanol intake of psychosocially stressed male rats

►Chronically stressed dominant rats ingested more ethanol than subdominant rats. ►Social stress altered differentially sensitivity to amphetamine. ►Amphetamine depressed ethanol ingestion more in single- than in dyad-housed rats. ►Dominant rats were more sensitive to amphetamine's action than the subdominant rats. ►Dopaminergic system mediated social stress-induced changes in ethanol ingestion.