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Rennie Deflatine is currently out of stock. However, we do offer Wind-eze (Simeticone) as an alternative.

Rennie Deflatine

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18 tablets
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Treatment Information

Table of contents

Buy Rennie Deflatine For Trapped Wind Online

Rennie Deflatine is an over-the-counter treatment for trapped wind. The tablets can be sucked or chewed and have a pleasant mint flavour.

It contains two antacids - magnesium carbonate and calcium carbonate - and an anti-foaming agent called simeticone. Together, these ingredients relieve symptoms of heartburn and trapped wind, such as bloating, gurgling and flatulence.

You can buy trapped wind treatments online from Prescription Doctor. We offer a range of remedies for trapped wind including WindSetlers and Rennie Deflatine.

While trapped wind treatments can treat symptoms such as stomach pain and bloating, you should take steps to avoid developing trapped wind such as taking time to eat and drink, cutting down on fizzy drinks and avoiding exercise too soon after eating.

If you experience trapped wind often, speak to your doctor. You may require changes to your diet in order to prevent trapped wind from developing.

What is trapped wind?

Trapped wind occurs when bubbles of gas become trapped in the digestive tract. The gas can be trapped in the stomach, causing burping or, in the lower intestine, resulting in flatulence.

It can be caused by swallowing air, consuming carbonated beverages like fizzy pop and beer, eating too fast or gulping drinks, or even as a side effect of another medication. Food intolerances, such as lactose intolerance and coeliac disease, are common culprits of trapped wind.

The symptoms of trapped wind include:

  • Bloated stomach
  • Burping
  • Lower abdominal pain
  • Nausea (feeling sick)
  • Passing wind (flatulence)
  • Stomach ache

The pain of trapped wind can radiate to your back or chest. Depending on where the trapped wind is, your symptoms may develop in your upper or lower abdomen.

While the symptoms of trapped wind can be uncomfortable, they can be treated easily with over-the-counter medicine.

If you are unsure whether the stomach pain you are experiencing is caused by trapped wind, or if you have been experiencing stomach pain for a prolonged time, speak to your doctor.

What causes trapped wind?

There are many causes of trapped wind, including swallowing air when eating too fast or gulping drinks, drinking gaseous beverages like beer and fizzy pop, or eating foods that trigger the production of wind as they break down in the intestines, such as beans, broccoli, cabbage and sprouts.

How long does trapped wind last?

Trapped wind can last for a few hours. Depending on the cause, it can be mild, moderate or severe. For example, people with irritable bowel syndrome (IBS) may experience severe symptoms, while those with a food intolerance may experience milder symptoms.

If your trapped wind symptoms last for longer than 24 hours, you should speak to your doctor as soon as possible.

How Does Rennie Deflatine Get Rid Of Trapped Wind?

If you’re suffering from heartburn and trapped wind, Rennie Deflatine can provide fast relief from both. It contains 2 antacids to neutralise excess stomach acid and bring relief from the pain and discomfort of heartburn, and an anti-flatulent to get rid of trapped wind.

Rennie Deflatine works locally in the gut to relieve trapped wind, and is not absorbed into the blood.

How Do I Take Rennie Deflatine For Trapped Wind?

Rennie Deflatine tablets can be sucked or chewed.

Up to two tablets can be taken as and when needed to relieve the pain and discomfort of trapped wind.

Do not take more than 11 tablets in a single day.

Rennie Deflatine should not be taken for longer than 14 consecutive days. If you are still suffering with heartburn or trapped wind after 14 days, you should speak to your doctor or pharmacist.

Only adults and those over the age of 12 should take Rennie Deflatine.

Always read the enclosed patient information leaflet carefully before use.

What should I do if I forget to take Rennie Deflatine when I should?

Rennie Deflatine is taken as and when it is required. You should take care not to take more than 11 tablets a day.

What should I do if I take too much Rennie Deflatine?

If you take more than 11 Rennie Deflatine tablets during a single day, you should go to your closest accident and emergency centre. Take the tablet’s packaging, as well as any leaflet inserts and leftover medicine, with you.

Rennie Delatine side effects and cautions

Before taking Rennie Deflatine, it is strongly encouraged you read the patient information leaflet enclosed with the medicine. This leaflet contains important information on how to take and store Rennie Deflatine, as well as safety information.

You can view the patient information leaflet for Rennie Deflatine online.

Who is Rennie Deflatine not suitable for?

Rennie Deflatine should not be used by those with severe kidney disease, and you should consult your doctor or pharmacist beforehand if you have other kidney issues.

It should also be avoided by those with high Calcium levels in the blood, as well as those who are allergic to any of the ingredients. If in doubt, always consult your doctor first before taking a new medication.

Speak to your doctor before taking Rennie Deflatine if you are taking:

  • Antibiotics (tetracycline, ciprofloxacin etc.)
  • Levothyroxine
  • Eltrombopag (used to increase platelets in blood)
  • Digoxin
  • Thiazide diuretics (for water retention or high blood pressure)
  • Fluorides (for preventing dental caries)
  • Phosphates
  • Iron Supplements

If you are unsure whether it is safe for you to take Rennie Deflatine, speak to your GP.

Rennie Deflatine side effects

All medicines carry the risk of side effects, though not everybody experiences them. Being aware of the side effects associated with Rennie Deflatine.

Side effects are unlikely when taking the recommended dose of Rennie Deflatine for trapped wind.

If you experience any side effects, speak to your doctor or a pharmacist for advice.

In rare cases, allergic reaction may occur. See the “Allergies” section below for more information.


Do not take Rennie Deflatine for trapped wind if you are allergic to any of the ingredients listed in the patient information leaflet.

Rennie Deflatine contains Sorbitol (E420). Those with a sugar intolerance should talk to their doctor before taking this product.

If you experience an allergic reaction after taking Rennie Deflatine, stop taking the medicine and seek immediate medical attention by going straight to your nearest accident and emergency department. Remember to take the packaging and any remaining medicine with you so that doctors know exactly what you have taken.

Other safety information

If you have any questions about the medicine or trapped wind, speak to your doctor. Our online medical team can also help settle any questions you have about the medicine or trapped wind.

Do not take Rennie Deflatine past the expiry date printed on the packaging. The date refers to the last day of the month.

Never throw away medicine via household or water waste. Ask our local pharmacy to dispose unwanted or expired medicine on your behalf.

Where should I store Rennie Deflatine?

Keep Rennie Deflatine in a cool, dry place away from direct sunlight.

Always keep all medicines out of the sight and reach of children.

Frequently Asked Questions

Can I drink alcohol while taking Rennie Deflatine?

While it is considered safe to drink alcohol while taking Rennie Deflatine, it is strongly advised not to. Alcohol can cause and worsen heartburn, and fizzy alcohol beverages such as beer can worsen trapped wind. For this reason, it is also advisable that you avoided other fizzy, carbonated drinks while treating trapped wind.

Will Rennie Deflatine impact my ability to drive or operate machinery?

No, taking Rennie Deflatine will not impact your ability to drive or operate heavy machinery.

Can I take Rennie Deflatine if I am pregnant?

Yes, you can use Rennie Deflatine during pregnancy and whilst breastfeeding if you are suffering from trapped wind and heartburn. However, you should always consult your doctor or pharmacist before taking any medicine for trapped wind if you are pregnant, planning to become pregnant or breastfeeding.

Does Rennie Deflatine treat heartburn?

Rennie Deflatine is specially formulated to treat both heartburn and trapped wind. The two conditions can be present together, resulting in pain in the lower abdomen, stomach, chest, or a combination of the three. If you experience persistent heartburn, speak to your doctor for advice.

Table of contents

Buy Rennie Deflatine For Trapped Wind Online

What is trapped wind?

How Does Rennie Deflatine Get Rid Of Trapped Wind?

How Do I Take Rennie Deflatine For Trapped Wind?

Rennie Delatine side effects and cautions

Frequently asked questions


NHS, 2019. Simeticone

Treatment information

  • Product Name: Rennie Deflatine
  • Manufacturer: Bayer
  • Active Ingredient(s): Simeticone, magnesium carbonate, calcium carbonate
  • Administration: Oral
  • Presentation: Tablets
  • Available Strength: 25mg (simeticone), 80mg (magnesium carbonate), 680mg (calcium carbonate)
  • Exemption: GSL
  • Dosage: Take 1 or 2 tablets as needed.
  • Description: Rennie Deflatine gets rid of trapped wind and relieves heartburn.
  • Drug Class: Anti-flatulent and antacid
  • Alcohol Consumption: Avoid or limit alcohol consumption while treating trapped wind
  • When Pregnant: Speak to your doctor if you are pregnant or think you might be pregnant before taking Rennie Deflatine
  • When Breastfeeding: Speak to your doctor if you are breastfeeding before taknig Rennie Deflatine
  • Price: 4.99 GBP
Click here to view the Rennie Deflatine - Patient Information Leaflet

Authored & Reviewed By

Mohamed Imran Lakhi

Mohamed Imran Lakhi

MPharm - Lead Pharmacist
Imran Lakhi is the superintendent pharmacist and founder at Prescription Doctor. He has been at the core of our team.

Published on: 12/03/2021 Reviewed on: 13/03/2024

Trapped Wind Alternatives

Wind-Eze Gel Caps

Wind-Eze Gel Caps

  • No prescription required
  • Dispatched from a UK registered pharmacy
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