Variety of delivery options including next day & free delivery.
Pharmacy, clinic and prescribers based in Greater Manchester.
Start your treatment with a quick and free online consultation.
Variety of delivery options including next day & free delivery.
Pharmacy, clinic and prescribers based in Greater Manchester.
Start your treatment with a quick and free online consultation.
Fill in a quick online consultation for our licensed pharmacists to review.
Our pharmacists will review your treatment to ensure it’s suitable.
Your treatment will be delivered to your door quickly & discreetly.
| Medication Name | Rennie Deflatine |
| Type and Form of Medicine | Chewable tablets |
| What it Does | Relieves heartburn, indigestion, bloating and trapped wind |
| Active Ingredients | Calcium carbonate, magnesium carbonate, simeticone |
| Strength | Each tablet contains calcium carbonate 680mg, heavy magnesium carbonate 80mg, simeticone 25mg |
| Size | Available in packs of 18 or 36 tablets |
| Patient Information Leaflet | Click here |
Rennie Deflatine is a chewable antacid tablet that combines calcium carbonate and magnesium carbonate to neutralise excess stomach acid, with simeticone to disperse gas bubbles. It provides relief from heartburn, indigestion, bloating, and trapped wind.
Rennie Deflatine is suitable for adults aged 18 years and over. It is not recommended for children or adolescents under 18.
Do not take if you:
Pregnancy and breastfeeding: Rennie Deflatine can be used if taken as directed. Do not exceed the maximum dose and avoid excessive milk or dairy intake.
Rennie Deflatine is generally well tolerated. Side effects are unlikely if taken at the recommended dose.
Seek medical help immediately if you experience signs of a serious allergic reaction.
Active Ingredients: Calcium carbonate 680mg, heavy magnesium carbonate 80mg, simeticone 25mg per tablet.
Other Ingredients: Sorbitol (E420 ~430mg), magnesium stearate, potato starch, pre-gelatinised maize starch, talc, mint flavour, lemon flavour.
Contains sorbitol (a source of fructose). Not suitable if you have hereditary fructose intolerance or certain sugar intolerances.
Heartburn, indigestion, trapped wind and bloating. The antacids neutralise excess acid while simeticone disperses gas.
Chew or suck 1–2 tablets as needed, up to 11 tablets in 24 hours. Do not use for more than 2 weeks without medical advice.
Yes, but separate doses by 1–2 hours because antacids can affect absorption of certain medicines (e.g., some antibiotics, thyroid, HIV, osteoporosis, iron and others). Ask a pharmacist if unsure.
Yes — if taken as directed. Do not exceed the maximum daily dose, avoid prolonged high doses, and avoid excessive milk/dairy. Speak to a healthcare professional if you need ongoing treatment.
No. It is not recommended under 18 years.
It contains sorbitol (E420) rather than sucrose. If you have hereditary fructose intolerance or have been told you’re intolerant to some sugars, speak to your doctor before use.
Page content authored by Muhammad, last reviewed by Amjad Khan on 21st January 2026.
