Peridal

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Peridal

Property Description
Active Ingredient Domperidone
Form Tablet, oral suspension, suppository
Pharmacological Class Antiemetic, Prokinetic Agent
Common Use Relief of nausea and vomiting
Origin Synthetic benzimidazole derivative

Peridal is a synthetic medicinal product containing the active ingredient Domperidone, which belongs to the combined pharmacological classes of an antiemetic and a prokinetic agent. This dual action defines its core therapeutic function: addressing both the feeling of sickness and underlying issues with the movement of the digestive tract. This compound is recognized for its effectiveness in stabilizing gastrointestinal rhythm. The medicine is primarily available for oral administration as a tablet or oral suspension.


What Type of Medicine is Peridal (Domperidone)?

Peridal is fundamentally classified as a gastroprokinetic agent, synthesized in the laboratory as a benzimidazole derivative. Its composition defines it as a single-component product (monotherapy), ensuring all therapeutic effects are attributed solely to Domperidone. The pharmacological classification is specifically based on its function as a peripheral dopamine D2 receptor blocker, a mechanism that targets chemical signals largely outside the central nervous system. A key differentiator of Domperidone is its primary focus on peripheral action, providing functional relief for symptoms such as post-meal discomfort.

Understanding the Purpose of This Gastroprokinetic Agent

The general purpose of Peridal is to relieve symptoms of nausea and vomiting by enhancing upper gastrointestinal movement. This medication targets the stomach and esophagus, encouraging more efficient and coordinated contractions. By accelerating the emptying of the stomach and simultaneously inhibiting the signals that trigger sickness via peripheral receptors, Peridal helps address the physical discomfort caused by slow digestive motility. A typical use scenario involves relieving chronic sensations of sickness or fullness related to impaired stomach emptying.

Composition and Physical Forms of Peridal

The sole active pharmaceutical ingredient in Peridal is Domperidone, sometimes prepared as Domperidone Maleate in specific formulations. The brand Peridal is typically positioned for the adult and adolescent patient groups. The drug is most frequently administered via the oral route in the form of a solid tablet or a liquid oral suspension, both designed for systemic absorption and offering flexibility for patients who have difficulty swallowing tablets.

What side effects are possible with Peridal?

Side Effects and Safety Information

Peridal (which contains the active ingredient Risperidone) is associated with a range of possible side effects. The most common adverse reactions reported in clinical trials (incidence 10%) often affect the central nervous and gastrointestinal systems, including somnolence (sleepiness), increased appetite, fatigue, and gastrointestinal issues such as constipation or nausea.

Serious and Clinically Significant Adverse Reactions

The most serious warnings and precautions involve risks to multiple body systems. Regulatory documents highlight the risk of Increased Mortality in Elderly Patients with Dementia-Related Psychosis. This medication is not approved for use in this population.

Other serious risks include:

  • Neuroleptic Malignant Syndrome (NMS): A rare but potentially fatal condition characterized by high fever, severe muscle rigidity, and confusion.
  • Tardive Dyskinesia (TD): A disorder involving involuntary, repetitive movements of the face, tongue, and body, which may be irreversible.
  • Metabolic Changes: Including significant weight gain, hyperglycemia (high blood sugar), and dyslipidemia (abnormal cholesterol/fat levels), which can increase cardiovascular risk.
  • Leukopenia/Neutropenia and Agranulocytosis: Low white blood cell counts, which can increase the risk of infection.
  • Orthostatic Hypotension: A significant drop in blood pressure upon standing, which can lead to dizziness, fainting, and an increased risk of falls.
  • Hyperprolactinemia: Increased levels of the hormone prolactin, which can lead to missed menstrual periods, breast enlargement/discharge, and sexual dysfunction.

Population-Specific and General Safety Notes

Special caution is advised for patients with a history of seizures or conditions that predispose them to hypotension (low blood pressure), as well as those with severe kidney or liver impairment, who may require a lower starting dose. Neonates exposed to this drug during the third trimester of pregnancy may be at risk for extrapyramidal symptoms and/or withdrawal symptoms after delivery. The drug also has the potential to impair cognitive and motor skills, and it is advised that caution be used when operating hazardous machinery.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documents describe the overdose profile of Peridal (risperidone) as generally reflecting an exaggeration of its known pharmacological effects on the central nervous and cardiovascular systems.

Overdose can present with symptoms such as profound drowsiness or sedation, a rapid heartbeat (tachycardia), low blood pressure (hypotension), and involuntary muscle movements known as extrapyramidal symptoms. More severe, potentially life-threatening manifestations include generalized convulsions (seizures) and an abnormality in heart rhythm called QT prolongation.

Key Overdose Risks and Emergency Action

System Affected Primary Overdose Manifestations
CNS Sedation, Seizures, Extrapyramidal Symptoms
Cardiovascular Tachycardia, Hypotension, QT Prolongation

Regulatory guidance emphasizes that the possibility of a multiple drug overdosage must always be considered in these situations. Management should be supportive, focusing on maintaining an adequate airway, oxygenation, and ventilation, along with continuous monitoring of cardiac rhythm and vital signs. Immediate emergency medical help (e.g., calling 911 or a local emergency number) is required if the person has collapsed, experienced a seizure, has severe difficulty breathing, or cannot be awakened. Consultation with a certified poison control center is recommended for current management guidance.

Therapeutic Uses of Peridal

What Peridal Treats: Main Uses and Benefits

Peridal (Domperidone) is applied in clinical settings marked by heightened patient distress, specifically targeting disruptive symptoms originating in the upper gastrointestinal tract. It is used across therapeutic domains where short-term symptomatic assistance or management of chronic motility issues is needed.


Symptomatic Support for GI Distress

This medication is relevant for easing challenging symptoms in conditions characterized by episodic or fluctuating symptom patterns, such as gastroparesis and functional dyspepsia. It is used to address symptom clusters that may become intense or disruptive, including nausea, vomiting, stomach fullness, and early satiety. Peridal is also commonly applied in scenarios where additional management of discomfort is required, such as mitigating nausea caused by certain Parkinson's disease medications or for comfort in supportive care.

The medication is utilized in areas where short-term symptom management is appropriate, offering symptomatic relief that helps patients cope more steadily with difficult episodes and contributes to improved comfort during periods of heightened symptoms. It assists with maintaining functional stability when symptoms become more noticeable and contributes to easing the overall symptom load.


Quick Fact: Symptomatic Support for Fullness

Peridal is commonly used to help with physical discomfort, applied in scenarios where symptoms related to slow digestion create noticeable physiological strain.

Eligibility and Restrictions for Use

Regulatory documents establish strict criteria regarding who may use Peridal (domperidone), primarily based on underlying health conditions and age.

Contraindicated Populations (Must Not Use)

Peridal is formally contraindicated in patients with a high risk of cardiac issues. This includes individuals with pre-existing prolongation of cardiac conduction intervals (QTc), significant electrolyte disturbances (such as low potassium or magnesium), or underlying cardiac diseases like congestive heart failure.

Use is also prohibited in patients with moderate or severe liver impairment, a prolactin-releasing pituitary tumour (prolactinoma), or conditions where stimulating gut movement could be harmful, such as gastrointestinal hemorrhage, mechanical obstruction, or perforation.

Eligibility and Restrictions

The medicine is generally restricted to adults and adolescents who are 12 years of age or older and weigh 35 kg or more. It is not recommended for use in children younger than 12 or those weighing less than 35 kg due to insufficient evidence of efficacy and safety concerns.

Co-Medication Restrictions: Peridal must not be used concurrently with QTc-prolonging medicines or potent CYP3A4 inhibitors, regardless of their effect on the QTc interval.

Pregnancy and Lactation: Use during pregnancy is generally not recommended unless the anticipated benefit outweighs the potential risk. The medicine is not recommended for use by breast-feeding women.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Peridal (domperidone) has a clinically significant drug interaction profile, primarily linked to its potential to affect heart rhythm, specifically by prolonging the QTc interval on an electrocardiogram. Co-administration with certain medicinal products is therefore contraindicated due to the risk of serious cardiac events.

Contraindicated Combinations

The following categories of products should not be combined with domperidone due to increased risk:

  • QT-prolonging medicines: Any drug known to prolong the QTc interval, regardless of therapeutic class (e.g., certain antipsychotics, antidepressants, antihistamines, or antimalarials).
  • Potent CYP3A4 inhibitors: These agents can significantly increase the concentration of domperidone in the bloodstream, heightening the risk of QTc prolongation. This category includes certain potent systemic antifungal agents (e.g., ketoconazole), macrolide antibiotics (e.g., erythromycin, clarithromycin), and HIV protease inhibitors.

Interactions with Caution

Caution is advised when combining Peridal with moderate CYP3A4 inhibitors (e.g., diltiazem) or other drugs that may cause hypokalemia, as electrolyte disturbances increase the risk of heart rhythm abnormalities. Additionally, its prokinetic effect may interfere with the absorption of orally administered medicines that require an acidic stomach environment, such as some azole antifungals and certain proton pump inhibitors (PPIs).

Mechanism of Action

Peripheral D2 Receptor Antagonism and GI Motility

Peridal functions as a selective antagonist, primarily blocking dopamine D2 receptors located in the smooth muscle walls of the stomach and small intestine. This binding interaction prevents the inhibitory action of endogenous dopamine, engaging mechanisms that enhance muscle tone and coordinated contractions which results in the modulation of upper digestive processes.


Neuro-Modulation of the Sickness Reflex

The drug modulates pathways that govern the body's emetic response by targeting D2 receptors within the Chemoreceptor Trigger Zone (CTZ). This blockade limits the impact of chemical signals that activate the emetic reflex cascade, producing physiological changes that contribute to the drug's overall effect profile.


Influence on Neuroendocrine Signaling

D2 receptor antagonism extends to the anterior pituitary gland, where it suppresses the typical dopamine-mediated inhibition of prolactin release. This mechanism engages signaling dynamics that result in an increase in circulating levels of this specific hormone.

Dosage and Administration Information

How to use Peridal

Peridal (Domperidone) is administered as an oral medication, available in tablet and oral suspension forms, and through the rectal route as a suppository. The administration regimen for adults and adolescents weighing 35 kg or more is strictly defined. The standard oral dose is 10 mg per intake, taken up to three times per day. The maximum daily dose is 30 mg, which is a definitive restriction.

The proper use of oral forms is time-dependent. To ensure optimal absorption, the medicine is instructed to be taken before meals (pre-prandially). For patients using the oral suspension, accurate measurement is required, particularly when calculating the weight-based dose for pediatric use (less than 35 kg), where the tablets and suppositories are generally unsuitable.

A fundamental principle governing the use of Peridal is the constraint on duration. The medication must be used at the lowest effective dose for the shortest time required to manage symptoms, and a treatment course must generally not exceed seven consecutive days.

Specific adjustments to the dosing schedule are mandated for certain patient populations. For individuals with severe kidney impairment, the dosing frequency must be reduced to once or twice daily. If a dose is missed, instructions state that the dose should be simply omitted, and the patient should proceed with the next scheduled dose; doubling the dose to compensate is not permitted.

Recent Clinical Evidence

Peridal: Recent Clinical Evidence

Clinical research on Perindopril (an angiotensin-converting enzyme, or ACE, inhibitor) has primarily focused on its long-term effects on cardiovascular and renal outcomes in high-risk patient populations.

Studies have investigated Perindopril's role in managing high blood pressure and in subjects with stable coronary artery disease, heart failure, and specific chronic kidney conditions. Evidence from large-scale, randomized controlled trials (RCTs) has been influential in shaping treatment guidelines for these conditions.


Key Areas of Research

Condition Studied Primary Research Focus
Hypertension Blood pressure reduction across various patient subgroups.
Stable Coronary Artery Disease Effects on minimizing risk of major adverse cardiovascular events (e.g., myocardial infarction).
Heart Failure Influence on disease progression and associated hospitalization rates.
Specific Chronic Kidney Conditions Effects on urinary protein excretion (albuminuria) and preservation of renal function.

Findings Summary

Across multiple studies, the use of Perindopril has been associated with a statistically significant reduction in blood pressure measurements. For individuals with stable coronary artery disease, clinical trial data indicates that treatment may be associated with a lower incidence of cardiovascular events when added to standard therapy.

In studies involving patients with heart failure, the administration of Perindopril has been observed to correlate with improvements in indicators related to disease severity. Furthermore, research suggests that Perindopril may support the attenuation of urinary protein excretion in subjects with certain forms of chronic kidney disease, an effect potentially linked to preserved kidney function over time. The safety profile observed in these trials generally reflected known effects of the ACE inhibitor class, with the most common reported events being cough and headache.

Frequently Asked Questions (FAQ)

Common questions about Peridal (FAQ)

Q: How long does it take for Peridal to start working after I take it?

A: According to official product information, Peridal (domperidone) is rapidly absorbed when taken by mouth.

The medicine typically reaches its peak concentration in the bloodstream in approximately one hour. This time represents when the concentration of the medicine in the bloodstream is highest, according to pharmacokinetic studies.


Q: What is the chemical structure of Domperidone?

A: The active ingredient, Domperidone, is scientifically defined by its chemical structure.

Its specific chemical name is 6-chloro-3-[1-[3-(2-oxo-3H-benzimidazol-1-yl)propyl]piperidin-4-yl]-1H-benzimidazol-2-one. This composition defines it as a benzimidazole derivative, a chemical group that represents its class of medicine.


Q: Is Peridal used for treating migraines?

A: Official regulatory documents indicate that the approved therapeutic use for Peridal is the relief of symptoms related to nausea and vomiting.

The medicine is not formally approved or indicated for the treatment of migraine pain itself. Its approved function is related to enhancing movement in the upper digestive tract and helping to manage the body’s sickness response.


Q: Is Peridal a controlled substance or addictive?

A: Peridal (domperidone) is not considered a controlled substance by major government regulatory agencies.

This medicine is not listed on the controlled substance schedules established by major government regulatory agencies.

How should Peridal be stored and disposed of?

Official Storage and Disposal Requirements for Peridal (Domperidone)

Official regulatory documents define specific conditions to maintain the quality and safety of Peridal. The product must be stored at Controlled Room Temperature, typically 15 C to 30 C, and must not be frozen or stored above 30 C.

Storage Requirement Condition
Temperature Store at Room Temperature; Do not freeze
Protection Keep in original container; Protect from light and moisture
Safety Keep out of the sight and reach of children
Disposal Use a drug take-back program; Do not flush

The medication must be kept in its original container and be protected from light and moisture. For oral suspensions, a limited stability period (a Beyond-Use Date) applies once the bottle is opened, after which it must be discarded. A mandatory safety instruction is to always keep the product out of the sight and reach of children. Unused or expired Peridal must be disposed of through a pharmacy take-back program and should not be flushed down the toilet.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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