Harman Patil (Editor)

Syrup of ipecac

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Routes of administration  Oral
CAS Number  8012-96-2
ECHA InfoCard  100.029.439
Legal status  OTC
ChemSpider  none
ATC code  R05CA04 (WHO) V03AB01 (WHO)

Syrup of ipecac (/ˈɪpkæk/), commonly referred to as ipecac, is a drug that was once used as a cough syrup and to induce vomiting. It is obtained from the dried rhizome and roots of Carapichea ipecacuanha from which it derives its name. Ipecac has been found by scientific and medical agencies to have minimal health benefits, and ultimately to be ineffective at purging the body of poisonous substances. The American Society of Health-System Pharmacists advises that "Ipecac syrup is no longer recommended for routine management of outpatient ingestions of medications or other chemicals."



The commercial preparation of ipecac consists of 1/14 of an alcoholic extract of the roots and rhizomes of ipecac root. The rest is composed of glycerin, sugar syrup, and methylparaben. Ipecac root itself is a poison, but in this diluted form, its ability to induce immediate vomiting means that the syrup is seldom fatal.


Ipecac was used in cough mixtures as an expectorant or an emetic from the 18th until the early 20th century. For instance, Ipecac and opium were used to produce Dover's powder, which was used in syrup form.

In 1965, the FDA approved the sale of up to one ounce of syrup of ipecac without a prescription. At the time it was approved, its use was recommended by the AAP, AAPCC, AMA, and the FDA's medical advisory board as a method to induce vomiting "for quick first-aid use in the home, under medical supervision", for use in cases of accidental poisoning.

Current guidelines from the American Academy of Pediatrics, however, strongly advise against this and in fact recommend the disposal of any syrup of ipecac present in the home. Many toxicological associations have also issued position papers recommending against its use as a first-line treatment for most ingested poisons, because of a lack of evidence that syrup of ipecac actually helps improve the outcome in cases of poisoning. Moreover, accidental overdose of ipecac can result when administered in the home. When dealing with poisoning cases in the hospital, it became difficult to obtain a differential diagnosis when syrup of ipecac had been administered, as this can add further symptoms.

A 2005 review by an HRSA-funded scientific panel concluded that vomiting alone does not reliably remove poisons from the stomach. The study suggested that indications for use of ipecac syrup were rare, and patients should be treated by more effective and safer means. Additionally, its potential side effects, such as lethargy, can be confused with the poison's effects, complicating diagnosis. The use of ipecac may also delay the use of other treatments (e.g., activated charcoal, whole bowel irrigation, or oral antidotes) or make them less effective.


Ipecac has been used by individuals with bulimia nervosa as a means to achieve weight loss through induced vomiting. Repeated use in this manner is believed to cause damage to the heart and muscles, which can ultimately result in the user's death. Misuse of ipecac has been blamed for the death of singer Karen Carpenter in 1983. It has also been used as an agent for Münchausen syndrome by proxy.

Mechanism of action

The actions of ipecac are mainly those of major alkaloids, emetine (methylcephaeline) and cephaeline. They both act locally by irritating the gastric mucosa and centrally by stimulating the medullary chemoreceptor trigger zone to induce vomiting.


Ipecac has been found to have minimal health benefits, and ultimately ineffective at purging the body of poisonous substances. It was initially discontinued due to production costs and lack of raw materials. As the ASHP advises: "Ipecac syrup is no longer recommended for routine management of outpatient ingestions of medications or other chemicals." Humco and Paddock Laboratories, the only two remaining manufacturers, both stopped production of ipecac syrup in 2010.

A heavily cited position statement outlines critical details of its effectiveness:

In experimental studies the amount of marker removed by ipecac was highly variable and diminished with time. There is no evidence from clinical studies that ipecac improves the outcome of poisoned patients and its routine administration in the emergency department should be abandoned. There is insufficient data to support or exclude ipecac administration soon after poison ingestion. Ipecac may delay the administration or reduce the effectiveness of activated charcoal, oral antidotes, and whole bowel irrigation. Ipecac should not be administered to a patient who has a decreased level or impending loss of consciousness or who has ingested a corrosive substance or hydrocarbon with high aspiration potential.


Syrup of ipecac Wikipedia

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