Details About Overdose or Poisoning Generic Salt :: Metoclopramide Metoclopramide Drug Pharmacology :: I. Pharmacology. Metoclopramideis a dopamine antagonist with antiemetic activity at the chemoreceptortrigger zone. It also accelerates GI motility and facilitates gastricemptying. The onset of effect is 1–3 minutes after intravenousadministration, and therapeutic effects persist for 1–2 hours after asingle...
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