Domperidone
Domperidone

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Domperidone is a prokinetic medication used to relieve symptoms of nausea, vomiting, and upper gastrointestinal discomfort.


Ingredient
Availability
In Stock
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Domperidone
Reference Brand
Motilium
Product Origin
Generic Product
Reference Manufacturer
Janssen-Cilag
Product Form
Tablet
Regulatory Classification
Rx
Primary Category
Digestive Health
Product Category
Antiemetic
Pharmacological Class
Dopamine antagonist
Clinical Indications
Nausea, Vomiting
Manufacturer Description
Domperidone is a prokinetic medication used to relieve symptoms of nausea, vomiting, and upper gastrointestinal discomfort.
Mechanism of Action
Domperidone blocks dopamine receptors in the gut and brain, increasing digestive tract movement and preventing nausea signals from reaching the vomiting center.
Route of Administration
Oral
Onset Time
30–60 minutes
Duration
6–8 hours
Contraindications
Gastrointestinal bleeding, Prolactinoma, Heart rhythm disorders
Severe Adverse Events
QT prolongation, Cardiac arrhythmia
Common Side Effects
Dry mouth
Uncommon Side Effects
Headache, Drowsiness
Drug Interactions
Ketoconazole, Erythromycin, Fluconazole
Pregnancy Safety Warnings
Consult a physician before use during pregnancy or breastfeeding.
Age Restrictions
Consult a healthcare provider for pediatric use.
Storage Guidelines
Store at room temperature in a dry place.
Related Products
Metoclopramide

Domperidone FAQ

Can domperidone be used for motion sickness?

Domperidone’s anti-emetic properties can relieve nausea associated with motion, but it is not the first-line therapy for motion sickness in Hong Kong. Over-the-counter antihistamines are generally preferred for short trips.

What should I do if I miss a dose while traveling?

Take the missed tablet as soon as you remember, provided that the next scheduled dose is more than two hours away. Otherwise, skip the missed dose and continue with your regular schedule; do not double up.

Are there any visible differences between brand-name and generic domperidone pills?

Both brand-name and generic formulations contain 10 mg of domperidone and are typically white, oval-shaped tablets. Imprint codes may vary; verify the code on the packaging to ensure authenticity.

Is domperidone safe for patients with diabetes?

Domperidone does not directly affect blood glucose levels. However, patients with diabetic gastroparesis may benefit from its prokinetic effect, provided cardiac risk is assessed and monitored.

Can I take domperidone with antihistamines for allergy symptoms?

Concurrent use is generally safe, as antihistamines do not interfere with domperidone’s metabolic pathway. Nonetheless, monitor for additive drowsiness if you are using sedating antihistamines.

Will domperidone interact with herbal supplements like St. John’s Wort?

St. John’s Wort induces CYP3A4, potentially lowering domperidone concentrations and reducing its effectiveness. Discuss any herbal products with your healthcare provider before combining them.

How long does it take to notice improvement in gastric emptying?

Most patients report symptom relief within 1-2 weeks of consistent dosing. Objective improvement in gastric emptying may be measured by a gastric scintigraphy study after several weeks of therapy.

Is domperidone approved for use in pregnancy in Hong Kong?

Domperidone is categorized as pregnancy category B2, meaning animal studies have not shown risk but adequate human data are lacking. It should only be used when the potential benefit outweighs any possible risk to the fetus.

What are the signs of a serious cardiac reaction to domperidone?

Warning signs include palpitations, fainting, abnormal heart rhythm, and sudden dizziness. If any of these occur, seek emergency medical care immediately.

Can domperidone cause weight gain?

Domperidone itself does not cause weight gain. However, by alleviating nausea and improving appetite, some patients may experience increased caloric intake, which could lead to weight changes over time.

What is Domperidone?

Regulating gastrointestinal motility, Domperidone functions as a dopamine antagonist to address symptoms of upper digestive tract dysfunction. This substance acts locally within the stomach and the brain’s trigger zones to facilitate more effective movement of food through the digestive system. It serves as the core active compound in formulations commonly identified as Motilium or various generic equivalents available in the Hong Kong market.

The compound is categorized as a prokinetic agent, meaning it encourages the muscles of the stomach and duodenum to increase their rhythmic contractions. By facilitating these movements, it assists with the transit of stomach contents into the small intestine. This physiological action serves as a common approach for individuals experiencing persistent sensations of discomfort following meals.

Patients identifying this medication on their packaging will find that it is specifically designed for short-term use. It is primarily observed in settings where patients require assistance with digestive symptoms that lack a clear physical obstruction.

Delivery Systems and Product Variations

The formulation of Domperidone typically involves oral administration methods such as standard tablets or orodispersible tablets designed to dissolve upon contact with the tongue. Within the healthcare system in Hong Kong, this ingredient is available through both its original developer's trade name and as various locally approved generic versions. These alternatives are evaluated by the Pharmacy and Poisons Board of Hong Kong to ensure they contain equivalent amounts of the active compound, providing consistency in physical properties regardless of the brand name printed on the packet.

Clinical Applications and Therapeutic Use

Healthcare providers often consider this substance for adults experiencing specific, non-obstructive digestive challenges. It is typically applied in the following instances:

  • Alleviating feelings of fullness or abdominal bloating shortly after eating.
  • Assisting individuals who experience chronic or acute nausea.
  • Addressing persistent sensations of epigastric pain or discomfort.
  • Supporting patients who suffer from delayed gastric emptying where food remains in the stomach for longer than expected.

Mechanisms of Biological Action

Domperidone operates by blocking dopamine receptors found in the digestive tract and at the chemoreceptor trigger zone, which is the brain area responsible for signaling nausea. By inhibiting these receptors, the substance prevents the signals that normally slow down gastric motility. This allows the digestive system to return to a more natural, efficient pace of activity. Unlike some other substances that affect the central nervous system, this compound generally does not cross the blood-brain barrier in significant amounts, which influences its specific profile of action.

Safety Profile

Common Reactions

Patients may occasionally notice mild patterns such as dry mouth or minor variations in bowel habits. These experiences are generally temporary and tend to resolve as the body adjusts to the active ingredient.

Serious Reactions

Individuals should remain observant for signs of irregular heart rhythm, such as palpitations or feeling faint. While rare, any sudden episodes of chest discomfort or significant dizziness warrant immediate attention from a medical professional.

Contraindications

This ingredient is generally avoided by individuals with pre-existing heart conditions, specifically those identified as prolonged QT intervals. It is also not typically recommended for those with significant liver health issues or known hypersensitivity to the compound.

Interaction Awareness

Combining this substance with certain heart rate medications or potent enzyme inhibitors can alter how the body processes the drug. For a full list of specific drugs that may impact this substance, refer to the patient information leaflet included with your specific medication packaging.

Usage Context and Considerations

Storing these medications in a cool, dry place away from direct light is essential to maintaining the integrity of the active ingredient. Treatment is typically kept to the shortest duration necessary to address the current symptoms to ensure the most appropriate usage of the compound. For detailed usage, frequency of intake, and proper administration techniques, refer to the specific medication's clinical information document.

Essential Terminology

Dopamine Antagonist
A substance that blocks certain receptors in the body to prevent dopamine from triggering a physical response.
Gastrointestinal Motility
The natural, rhythmic contraction of muscles in the digestive tract that helps move contents from the stomach to the intestines.
Prokinetic
A type of agent that helps improve the movement of food through the digestive process by stimulating stomach muscles.
Chemoreceptor Trigger Zone
A specific area in the brain that senses chemical changes in the blood and initiates the sensation of feeling sick or nauseous.

Clinical Disclosure and Safety Overview

This summary provides an educational overview of Domperidone and does not constitute medical advice or a recommendation for use. Individual medications containing this ingredient differ in their strength, inactive components, and specific clinical handling instructions. We disclaim all liability regarding the application of this information in personal health decisions. Patients are strongly encouraged to consult their specific medication’s labeling and a licensed healthcare professional to address personal health needs and potential risks.

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