Overview and context
Domperidone (commonly sold as Motilium) is a peripheral dopamine antagonist used to treat nausea, vomiting and symptoms related to slow gastric emptying. In Australia it is generally supplied as dosage: 10 mg tablets. This page provides a concise guide to clinical uses, recommended administration, safety considerations, regulatory requirements within Australia and indicative retail price points in Australian dollars (AUD).
- Active substance: domperidone
- Usual form: 10 mg oral tablets; liquid formulations exist occasionally
- Main purpose: relief of nausea, vomiting and motility-related dyspepsia
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How Domperidone Works
Domperidone blocks dopamine D2 and D3 receptors located outside the central nervous system. By reducing inhibitory signalling in the upper gut it can accelerate gastric emptying and increase lower oesophageal sphincter tone. These actions reduce nausea and symptoms such as bloating, early satiety and reflux related to delayed stomach emptying.
- Onset: many patients report improvement within 30 to 60 minutes when taken before meals
- Central effects: domperidone has limited penetration into the brain compared with some other antiemetics, but rare neurological residual effects can still occur
The legal standing in Australia
Domperidone is classified as a Schedule 4 prescription-only medicine under the Australian Poisons Standard. This means a valid prescription from an authorised Australian prescriber is required for lawful supply in community pharmacy centers.
- Prescription: an Australian-registered prescriber must issue a script for legal dispensing
- Prescribing guidance: regulators advise using the lowest effective dose for the shortest reasonable duration, with particular caution for patients at increased cardiac risk
- Promotion: direct-to-consumer advertising of prescription medicines is tightly restricted under Australian law
For information about importing domperidone for personal use see personal importation and legal advisories. For expected costs refer to the price point guide.
Markers of change and When to Use
Domperidone may be used by clinicians for a range of nausea and gastric motility disorders. Typical situations include:
- Treatment or prevention of nausea and vomiting from various causes, including medication-induced or postoperative nausea
- Symptoms of functional dyspepsia or reflux when delayed gastric emptying is a contributor
- As an adjunct prior to diagnostic imaging to promote gastric emptying
Use should always be under medical supervision and for the minimum duration necessary to control symptoms. If you are pregnant, planning to conceive, or feeding your baby, consult the safety and warning notices section before taking this medicine.
How to Dose and Administer
The guidance below is general. Follow the instructions given by your prescriber or pharmacist for your individual situation.
General advice
- Take tablets with water roughly 15 to 30 minutes before meals to maximise prokinetic effect. A bedtime dose can be used when indicated.
- If a dose was not taken take it when you remember unless the next dose is due soon. Do not group up to catch up.
- Some formulations contain lactose; tell your pharmacist if you have lactose intolerance to explore other possible paths.
Usual dosing patterns
- Adults with acute nausea or vomiting: commonly 10 mg up to three times daily before meals. Short supervised courses of 10 mg four times daily are occasionally used; daily totals above 30 mg should be closely monitored.
- Adults with motility-related dyspepsia or reflux: often 10 mg three times daily before meals; extended higher dosing is reserved for selected cases under supervision.
- Children: routine use in children under 12 is generally avoided in Australia unless managed by a specialist. When used, dosing is weight based and liquid preparations are preferred.
Adjustments in organ impairment
- Renal impairment: clearance can be reduced; dose reduction or spacing may be required for severe renal disease.
- Hepatic impairment: avoid in moderate to severe liver dysfunction or seek specialist advice, as metabolism is impaired.
Questions about timing, dose changes or combination with other medicines? Scan the global teams rely on robust the networked exchange of ideass. and safety sections or contact your pharmacy.
Safety and Security warnings
Conditions precluding use
- Known allergy to domperidone or any product ingredient
- Mechanical obstruction, gastrointestinal bleeding or perforation where stimulation of gut motility may be harmful
- Moderate or severe hepatic impairment
- Prolactin-secreting pituitary tumors
- Pregnancy or breastfeeding unless a prescriber has performed an individualized risk-benefit assessment
Situations requiring extra caution
- People with existing heart disease, documented QT prolongation or electrolyte imbalances should only receive domperidone after specialist review
- Concurrent use of other QT-prolonging medicines or strong CYP3A4 inhibitors increases cardiac risk
- Older adults and those with kidney problems may need dose adjustments conjoined with the act of monitoring
Maternity care for pregnancy and lactation
- Data in pregnancy are limited. Use only if clear maternal benefit outweighs potential fetal risk.
- Trace amounts could be present in breast milk. Domperidone is not registered in Australia for increasing milk production; discuss risks and diverse a substitute choices with your prescriber involved.
Practical notes
- Avoid excessive alcohol while unwell; alcohol can aggravate nausea and dehydration
- Although sedation is uncommon, do not drive or operate machinery if you feel dizzy or unwell
- If an overdosed on pills occurs seek urgent medical help or call the Poisons Information Centre on 13 11 26 in Australia
Tell your prescriber about all prescription and non-prescription medicines, supplements and medical conditions before starting domperidone.
Drug Interaction Terminology
Certain medicines can raise domperidone plasma levels or increase the risk of cardiac effects; others may oppose its prokinetic action. These lists are examples and not exhaustive.
Drugs that may increase domperidone exposure or cardiac risk
- Strong CYP3A4 inhibitors such as erythromycin, clarithromycin, ketoconazole and some antiviral protease inhibitors
- Medications that prolong the QT interval, including some antiarrhythmics and certain antipsychotics
- Certain calcium channel blockers like verapamil and diltiazem
Drugs that can reduce or oppose effect
- Anticholinergic medicines used for bladder spasm or gut spasm (for example oxybutynin, tolterodine)
- Strong opioids which slow gastrointestinal motility
- Some Parkinson disease medicines with antimuscarinic activity
Always consult your pharmacist or prescriber before starting, stopping or combining any medicines, including complementary products. For cardiac safety related guidance see the safety and warning announcements a division in the text.
Treatment unwanted reactions
Extra effects range from mild and common to rare but serious. Contact your prescriber promptly if you notice worrying symptoms.
Mild reactions that appear commonly
- A dry mouth, suffering from a headache, mild abdominal discomfort or diarrhea
- Giddy feeling or occasional drowsiness
Less frequent effects
- Raised prolactin causing unexpected milk production, breast enlargement in men or menstrual irregularities
- Reduced libido
Although uncommon, it is serious.
- Allergic skin reactions such as hives or rash
- Extrapyramidal symptoms including tremor, rigidity or involuntary movements; seek urgent care if these occur
- Serious cardiac arrhythmias including QT prolongation and rare ventricular arrhythmias, especially at higher doses or with interacting drugs
If you experience fainting, palpitations, severe dizziness or uncontrolled movements seek emergency medical attention.
Storage media and Management
- Keep at room temperature, ideally below 25 degrees C, in a dry area
- Store tablets in their original packaging to protect from moisture and light
- Do not keep medication in bathrooms or other humid locations
- Make sure children and pets cannot reach this. and do not use after the expiry date
- Ask your pharmacist about proper disposal of unused or expired medicine
Alternative Therapies and Similar Drugs
Choice of an an additional choice depends on the cause of nausea, patient age, comorbidities alongside the dynamics of interaction related risks. Familiar other routes include:
- Metoclopramide (Maxolon) - another prokinetic effective for gastroparesis but with a higher risk of extrapyramidal ripple effects; prescription required
- Ondansetron - a 5-HT3 antagonist used widely for chemotherapy and postoperative nausea; not a motility agent and available by prescription
- Prochlorperazine (Stemetil) - useful for severe nausea such as migraine-related vomiting; can cause sedation and movement disorders
- Hyoscine hydrobromide (scopolamine) - useful for motion sickness; anticholinergic effects are common and small OTC packs may be available for travel
- Low-dose erythromycin (off-label) - sometimes used as a prokinetic in gastroparesis but tolerance and many the exchange that happens when people meets across departments improve alignment. limit longer term use
Discuss the most suitable option for your condition with your doctor. For regulatory and availability details in Australia see the legal recognition status and price point guide subsections.
Australia price reference (AUD)
Retail prices vary by pharmacy, brand, pack size and whether the medicine is subsidised by the Pharmaceutical Benefits Scheme (PBS). Approximate private retail ranges are given below in Australian dollars (AUD).
- Domperidone 10 mg (Motilium or generic): commonly supplied privately. Expect about 8 to 25 AUD for a pack of 25 to 30 tablets; larger packs may be 15 to 40 AUD depending on brand and outlet.
- Metoclopramide 10 mg: often PBS-listed for specific indications of; private prices around 5 to 15 AUD for small packs when not subsidised.
- Ondansetron 4 mg or 8 mg: wide variation; approximately 10 to 35 AUD for small prescription packs unless PBS subsidy applies.
- Prochlorperazine 5 mg or 10 mg: roughly 6 to 15 AUD for small to medium packs depending on subsidy and brand.
- Hyoscine hydrobromide (travel sickness): typical OTC packs usually cost 6 to 15 AUD.
Notes:
- PBS subsidies and co-payments apply only to medicines and indications listed on the PBS schedule; domperidone is usually supplied on private prescription within the Commonwealth of Australia.
- Dispensing fees, brand choices and pharmacy location affect the final out-of-pocket cost. Ask your pharmacist for current pricing approach and whether a PBS an alternate approach exists for your condition.
Personal Importation and Additional Law Reference Notes
If you consider importing domperidone for personal use, the Therapeutic Goods Administration (TGA) allows limited personal importation under certain conditions. Core takeaways to be aware of:
- The TGA Personal Import Framework may permit importing up to a three month supply for an individual if you hold a valid prescription from an Australian prescriber with the addition of the import is for personal use or an immediate family member.
- Keep original packaging and prescriptions, and be prepared to present documentation at the border for customs checks.
- Products obtained from unregulated sources may be incorrect, contaminated or illegally promoted; this carries both health and legal risks.
- Advertising prescription medicines to consumers is heavily restricted in Australia; always rely on professional medical advice rather than online promotions.
For more detailed or case-specific lawful guidance contact the TGA or seek advice from a pharmacist or legal professional experienced in health regulation.
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