aluminium hydroxide + magnesium hydroxide + simeticone at a glance
Medicine class
Combination antacid and anti-foaming agent.
Used for
Symptomatic relief of indigestion, heartburn, excess acidity and flatulence.
Available forms
Selected products include chewable or suckable tablets and an oral suspension.
What is aluminium hydroxide + magnesium hydroxide + simeticone used for?
Selected products are licensed for symptomatic relief of:
Indigestion or dyspepsia
Heartburn and excess stomach acidity
Painful or trapped wind and flatulence
How does aluminium hydroxide + magnesium hydroxide + simeticone work?
Aluminium hydroxide and magnesium hydroxide reduce stomach acidity. Simeticone helps small gas bubbles combine into larger bubbles that can pass more easily. Aluminium tends towards constipation, while magnesium may cause diarrhoea.
How to take aluminium hydroxide + magnesium hydroxide + simeticone
Follow the instructions for the exact product. Suck or chew tablets rather than swallowing them whole. Shake suspension well and measure it with a medicine spoon, oral syringe or supplied measure—not a kitchen teaspoon. Check with a pharmacist before taking other oral medicines at the same time.
Use only the formulation intended for the person’s age group.
Check tablet blister foil is intact before use.
Do not refrigerate or freeze suspension.
aluminium hydroxide + magnesium hydroxide + simeticone side effects
Common or expected effects
- Occasional diarrhoea or constipation
- Abdominal discomfort or pain
- Gastrointestinal discomfort or a mild laxative effect with sorbitol-containing products
Get urgent medical advice
- Allergic reaction, including facial or throat swelling, breathing difficulty, angioedema or anaphylaxis
- Bowel obstruction or ileus, particularly after excessive use or in susceptible people
- Raised magnesium or aluminium levels, especially with renal impairment or prolonged exposure
- Phosphate depletion during excessive or prolonged use, particularly with a low-phosphate diet
aluminium hydroxide + magnesium hydroxide + simeticone in pregnancy
Pregnancy data for the complete combination are limited. Ask a pharmacist, midwife or prescriber to confirm whether this particular combination is suitable.
aluminium hydroxide + magnesium hydroxide + simeticone while breastfeeding
The ingredients are considered acceptable during breastfeeding because maternal absorption and infant exposure are expected to be very low. Specialist advice may be needed if the infant is premature or unwell.
aluminium hydroxide + magnesium hydroxide + simeticone interactions
Antacids can reduce absorption or alter elimination of other medicines. Check all oral medicines with a pharmacist and avoid taking them simultaneously unless specifically advised.
Levothyroxine
May delay or reduce levothyroxine absorption.
Tetracycline and fluoroquinolone antibiotics
Aluminium and magnesium can substantially reduce antibiotic absorption.
Integrase inhibitors, including dolutegravir, raltegravir and bictegravir
Metal-containing antacids can reduce absorption.
Common questions about aluminium hydroxide + magnesium hydroxide + simeticone
Answers are fully visible for fast scanning and source review.
Can it help trapped wind?
It is licensed for flatulence or painful wind. Simeticone helps small gas bubbles combine and pass more easily, although evidence for symptom benefit is uncertain.
Can I use it with kidney disease?
Sources
These sources were used to prepare and review this medicine page.
Prepared and reviewed by the iatroX editorial team.