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CONCLUSIONS: Clinicians should be aware of a risk of serotonin syndrome with serious extrapyramidal reactions in patients receiving sertraline or venlafaxine when metoclopramide is coadministered even in a single, conventional dose.
 ( adverse event: receiving ,  patients: Subject, serotonin syndrome with serious extrapyramidal reactions: Effect, sertraline or venlafaxine when metoclopramide is coadministered even in a single, conventional dose: Treatment, sertraline: Treatment.Drug, venlafaxine: Treatment.Drug, metoclopramide: Treatment.Drug, single, conventional dose: Treatment.Dosage, metoclopramide: Combination.Drug, venlafaxine: Combination.Drug, sertraline: Combination.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: receiving ,  patients: Subject, serotonin syndrome with serious extrapyramidal reactions: Effect, sertraline or venlafaxine when metoclopramide is coadministered even in a single, conventional dose: Treatment, sertraline: Treatment.Drug, venlafaxine: Treatment.Drug, metoclopramide: Treatment.Drug, single, conventional dose: Treatment.Dosage, metoclopramide: Combination.Drug, venlafaxine: Combination.Drug, sertraline: Combination.Drug) 