This website provides educational information about medicines and active ingredients. It does not replace medical advice, diagnosis or treatment from a qualified healthcare professional.
Oral Medicine

Rennie Deflatine Chewable Tablets | SPC

Quick summary: Rennie Deflatine Chewable Tablets are described in the SPC as a chewable antacid and anti-foaming medicine used for common digestive discomforts such as acid indigestion, heartburn, bloating, and trapped wind. The key...

Educational content Use this article as a starting point for understanding the topic.
Check with a professional Ask a doctor or pharmacist before changing any medicine.
Safety first Side effects, interactions and risks depend on each person.
Medical disclaimer

This content is for educational purposes only and does not replace medical advice, diagnosis or treatment from a qualified healthcare professional.

Quick summary: Rennie Deflatine Chewable Tablets are described in the SPC as a chewable antacid and anti-foaming medicine used for common digestive discomforts such as acid indigestion, heartburn, bloating, and trapped wind.

The key ingredients listed in the current content are calcium carbonate, magnesium carbonate, and simeticone. Always check the official leaflet or SPC for the latest product details.

Medical disclaimer: This article is for general information only and does not replace advice from a doctor, pharmacist, or the official product leaflet. If symptoms are severe, persistent, or unusual, seek professional medical guidance.

What are Rennie Deflatine Chewable Tablets?

Rennie Deflatine Chewable Tablets are presented as a convenient option for short-term relief of common digestive discomforts. The current content describes them as a chewable medicine used for acid indigestion, heartburn, bloating, and trapped wind.

They are designed to be chewed or allowed to dissolve, which makes them easy to take when symptoms occur. The current content also notes that they do not contain sugar.

How do they work?

The tablets combine antacid ingredients with an anti-foaming ingredient. According to the current content, calcium carbonate and magnesium carbonate help neutralise stomach acid, while simeticone helps break down gas bubbles in the digestive tract.

This combination is intended to address both acid-related discomfort and bloating. The current content says the effect is usually felt within minutes.

Ingredients mentioned in the current content

Ingredient Role described in the content
Calcium carbonate Antacid that neutralises stomach acid
Magnesium carbonate Antacid that also helps relieve digestive discomfort
Simeticone Anti-foaming agent that helps reduce gas bubbles and bloating

For the full ingredient list, including inactive ingredients and possible allergens, check the official packaging or leaflet.

Dosage information from the current content

The current content states that adults and children over 12 years may take one or two tablets as needed. It also says the maximum should not exceed 11 tablets in 24 hours.

For children under 12 years, the content advises speaking with a healthcare professional first. It also notes that use should not continue for more than 14 days without medical advice.

Because product directions can change, always confirm the dose on the official leaflet or ask a pharmacist.

Possible side effects mentioned

The current content lists constipation, diarrhoea, and allergic reactions as possible side effects. It also notes that some people may tolerate the tablets well.

If symptoms are severe, persistent, or worrying, seek medical advice promptly.

Use in pregnancy

The current content says Rennie Deflatine Chewable Tablets are considered safe during pregnancy when taken as directed. It also advises pregnant women to consult a healthcare provider before use.

Pregnancy is a time to be especially careful with any medicine, so checking with a doctor or pharmacist is sensible before using it.

What to verify before use

  • Whether the product is suitable for your age group
  • The exact dose instructions on the pack or leaflet
  • Any inactive ingredients or allergens
  • Whether your symptoms need medical review rather than self-care
  • Whether you are pregnant or have been advised to avoid certain medicines

Frequently asked questions

▸ Can you buy Rennie Deflatine over the counter?

The current content says it is available over the counter and does not require a prescription.

▸ What symptoms is it described for?

The content describes use for acid indigestion, heartburn, bloating, and trapped wind.

▸ How quickly does it work?

The current content says users typically feel the effects within minutes.

▸ Can it be taken every day?

The current content suggests discussing daily use with a healthcare professional, especially if symptoms continue.

▸ Is it sugar-free?

Yes, the current content states that the tablets do not contain sugar.

Safety reminder

If digestive symptoms keep returning, become severe, or do not improve, speak to a doctor or pharmacist. Do not rely on this page alone for treatment decisions, and always follow the official product information.

For the most accurate and up-to-date details on Rennie Deflatine Chewable Tablets, refer to the SPC, patient leaflet, or a qualified healthcare professional.

Editorial note Active Ingredients Online Editorial Team This article is prepared as educational medicine information for general readers. It is written to support understanding of active ingredients, medicine uses, possible side effects, precautions and safety-related questions.
Published: February 25, 2025 Updated: June 4, 2026 Educational content

Medical disclaimer

This content is for educational purposes only. It should not be used as a substitute for professional medical advice, diagnosis or treatment. Always ask a doctor, pharmacist or qualified healthcare professional before starting, stopping or changing any medicine.

Sources and verification

The following sources or official references are listed to support verification of the medicine information discussed in this article.

To improve this article with specific references, add a custom field named _aio_sources in the post editor and write one source per line using: Source title|Source URL.

Final note

Medicine information can change and may vary depending on country, product formulation, patient history and professional guidance. Always check official medicine information and ask a healthcare professional for personal medical questions.

See also...
Ask a Doctor Online medical questions