Side effects
Common adverse drug reactions (ADRs) associated with metoclopramide therapy include restlessness (akathisia), and focal dystonia. Infrequent ADRs include hypertension, hypotension, hyperprolactinaemia leading to galactorrhea, headache, and extrapyramidal effects such as oculogyric crisis.Metoclopramide may be the most common cause of drug-induced movement disorders. The risk of extrapyramidal effects is increased in people under 20 years of age, and with high-dose or prolonged therapy. Tardive dyskinesia may be persistent and irreversible in some people. The majority of reports of tardive dyskinesia occur in people who have used metoclopramide for more than three months. Consequently, the US Food and Drug Administration (FDA) recommends that metoclopramide be used for short-term treatment, preferably less than 12 weeks. In 2009, the FDA required all manufacturers of metoclopramide to issue a black box warning regarding the risk of tardive dyskinesia with chronic or high-dose use of the drug.Dystonic reactions may be treated with benzatropine, diphenhydramine, trihexyphenidyl, or procyclidine. Symptoms usually subside with diphenhydramine injected intramuscularly. Agents in the benzodiazepine class of drugs may be helpful, but benefits are usually modest and side effects of sedation and weakness can be problematic.In some cases, the akathisia effects of metoclopramide are directly related to the infusion rate when the drug is administered intravenously. Side effects were usually seen in the first 15 min after the dose of metoclopramide. Rare side effects
Diabetes, age, and female gender are risk factors that  increase  the  likelihood  of  experiencing  a  neuropsychiatric side effect of metoclopramide.
As of August 2015 there were about 5000 suits pending across the US and efforts to consolidate them into a class action had failed.Shortly following the Pliva decision, the FDA proposed a rule change that would allow generics manufacturers to update the label if the originating drug had been withdrawn from the market for reasons other than safety. As of May 2016 the rule, which turned out to be controversial since it would open generic companies to product liability suits, was still not finalized, and the FDA had stated the final rule would be issued in April 2017. The FDA issued a draft guidance for generic companies to update labels in July 2016. Society and culture
Brand names
Veterinary use
Metoclopramide is commonly used to prevent vomiting in cats and dogs. It is also used as a gut stimulant in rabbits. References
External links
"Metoclopramide". Drug Information Portal. U.S. National Library of Medicine. "Metoclopramide Injection". MedlinePlus.