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    Treat Indigestion

    Rennie Deflatine

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    Expected delivery date Saturday, 31 July 2021 If you order within: 22h21m41s
    • Fast & Discreet Delivery

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    • UK Medication

      Dispensed by registered UK pharmacists

    What is Rennie Deflatine

    Rennie Deflatine is an effective product for indigestion, heartburn, trapped wind and bloatedness. has cited that simeticone, active ingredients of Rennie Deflatine is used to alleviate the signs of excessive acid in the stomach, together with heartburn, stomach upset and acid indigestion.

    What is Rennie Deflatine used for?

    Rennie Deflatine is a medication used to treat conditions such as indigestion, heartburn, bloating and trapped winds.

    Do I need a prescription to purchase Rennie Deflatine?

    No, you do not require a prescription to purchase Rennie Deflatine. However if you are unsure whether this product is right for you, you are welcome to book a free consultation with one of our medicine experts.

    Can children use Rennie Deflatine for the treatment of indigestion?

    Rennie Deflatine is suitable for use by adults and children over the age of 12 years old. It should not be used by anyone under the age of 12 years old.

    How should I take Rennie Deflatine?

    Rennie Deflatine comes in the form of chewable tablets. They can be chewed, sucked or swallowed.

    When should I start taking Rennie Deflatine?

    You should begin taking Rennie Deflatine after you experience the initial symptoms of indigestion, heartburn or trapped wind. You can take one or two tablets depending on the severity of your symptoms.

    What is the maximum dose of Rennie Deflatine I can take in a day?

    You must not consume any more than 11 tablets of Rennie Deflatine in one 24 hour period. If you consume any more you should seek medical advice immediately.

    How long after taking Rennie Deflatine does it take to notice an improvement in my condition?

    You should begin to notice improvements in symptoms within an hour of using Rennie Deflatine. However for severe conditions it may take up to 24 hours to notice significant improvements.

    What is the active ingredient in Rennie Deflatine?

    The active ingredients in Rennie Deflatine are calcium carbonate and magnesium carbonate. These antacids bind and neutralise stomach acid to provide relief from stomach pains and discomfort.

    How does Rennie Deflatine treat symptoms of indigestion?

    The active ingredients in Rennie Deflatine bind to allow for small trapped gas bubbles to bind and be released into the air.

    Who should not use Rennie Deflatine?

    You should not use Rennie Deflatine if you are:

    • Allergic to any of the ingredients
    • Have a severe kidney problem
    • High levels of calcium in your blood

    How should I store Rennie Deflatine?

    You should store Rennie Deflatine in a cool dry place, out of reach from children, and at room temperature. It should not be exposed to extreme temperatures or direct sunlight.

    Can pregnant or breastfeeding women use Rennie Deflatine?

    It is advised to consult with a GP, pharmacist, or midwife before using Rennie Deflatine if you are pregnant, trying to get pregnant or breastfeeding.

    How effective is Rennie Deflatine?

    Rennie Deflatine is an effective product for treating indigestion, heartburn, trapped wind and bloatedness. has cited that simeticone, one of the active ingredients of Rennie Deflatine is used to alleviate the symptoms of excessive acid in the stomach, including heartburn, stomach upset and acid indigestion. Symptoms of extra gas and bloatedness are relieved as well. The belching and stomach discomforts that go with this condition are treated. Simeticone is typically combined with antacids to reduce the levels of acid in the stomach quickly.

    Can I buy Rennie Deflatine online? 

    Rennie Deflatine can be purchased online and in local pharmacies without a prescription. You can feel at ease to book an appointment with a health expert at Click Pharmacy to discuss to how best use this product. This medication is sold in packs of 18 and 36 tablets. It can be sent directly and discreetly to you by Next Day Delivery.

    What dose should I choose?

    Rennie Deflatine is available in packs of 18 and 36 tablets. One or two tablets may be ingested as needed to relieve associated symptoms. The maximum number of tablets that can be taken in a day is 11. This medication, as tablets, can be chewed or sucked. Consult your doctor if your symptoms persist or worsen after 2 weeks of taking the tablets.   

    How should I take Rennie Deflatine? 

    This medication is in the form of a chewable tablet. It is recommended for use mainly by adolescents 12 years of age and older as well as adults. One or two tablets may be chewed as needed to relieve symptoms. The maximum dosage of this medicine is 11 tablets a day.Consult your doctor if your symptoms persist or get worse after 2 weeks of taking the tablets.Pregnant and breastfeeding women can take this product as long as they do so as instructed.

    If you have taken more of the tablets, than you should, drink copious amounts of water and consult your doctor or pharmacist. Be aware of the symptoms of overdosing on this medication, such as:

    Frequent urination


    Nausea and vomiting


    Increased thirstiness

    An abnormal weakness of the muscles 

    Talk to your doctor or pharmacist if you need further information about the use of this product. 

    This medicine should be kept out of sight and reach of children. 

    Store this product in a cool, dry place away from heat or moisture. 

    Check the expiry date on the product package. Refrain from using if it has lapsed. 

    Stop taking this product if you experience allergic reactions. Call your doctor and seek medical attention right away. Symptoms of medicine allergy include: 




    Skin rash

    Runny nose



    Difficulty of breathing 

    Inform your doctor about any underlying ailments or conditions that you may have, along with other complementary medications that you may be taking before using this product. 

    How does Rennie Deflatine work?

    The two active ingredients of this product, calcium carbonate and magnesium carbonate are antacids. Its combined substance, simeticone is an anti-foaming agent. The antacids in this medication bind and neutralize stomach acids that in turn relieves stomach pain and discomfort. Trapped wind in the stomach is reduced with the help of simeticone as it brings together all the small gas bubbles that may have gotten trapped in the contents of the stomach. Passing wind and burping takes place as large bubbles form in the gut.

    How long do I take Rennie Deflatine for before I notice a difference?

    These chewable tablets can be taken 1 or 2 times a day as needed. The maximum dose of this medicine is 11 tablets chewed in a day. This product can only be taken by children 12 years old and above, and adults. If, after two weeks of medicating, your symptoms persist or get worse, consult your doctor. 

    What are the side effects of Rennie Deflatine?

    Medicines typically have side effects, and different people experience them in different ways. Rennie Deflatine may have side effects, too, but they not experienced by all users.

    It is advised that you take this product according to the recommended dosage. This way, you prevent the occurrence of untoward side effects.

    In sporadic cases, the side effects of Rennie Deflatine include:

    Difficulties in breathing



    Call your doctor and seek medical attention immediately if these and other side effects take place. 

    Use the product as instructed to avoid side effects if pregnant or breast- feeding.

    Speak to your doctor or consult our specialists at Click Pharmacy should you require any further advice.

    When shouldn’t I take Rennie Deflatine? 

    Do not begin this treatment if you are allergic to this medication or any of its ingredients. This product is recommended for use only by adolescents 12 years old and above, and adults. Do not take this medication if you are suffering from severe kidney disease. Precaution should be taken if you have high levels of calcium in your blood. Don’t take more of this product than recommended. 

    What is the difference between Rennie Deflatine and Buscopan IBS Relief/Kremil S?

    Buscopan IBS Relief is used to relieve discomforting IBS symptoms such as abdominal cramps and pain. Its active ingredient is hyoscine butylbromide. Secondly, Kremil S is used to relieve hyperacidity caused by gastritis, peptic ulcer, dyspepsia and esophagitis. It is also an antiflatulent that alleviates gassiness.

    Side Effects

    Like all medicines, after using Rennie Deflatine you are likely to experience several side effects. It is important to note that not everyone experiences the same side effects, and side effects often disappear once your body learns to adapt to the drug. Common side effects include the following:

    • Burping
    • Leaving of gas
    • Nausea
    • Constipation
    • Increase in level of magnesium or calcium

    If any of these side effects worsen, you should stop using Rennie Deflatine immediately and seek medical advice, from a professional, as soon as possible.

    Patient Information Leaflet

    Always read the patient information leaflet before starting your treatment. The patient information can be found here.

    Authored by

    Jana Abelovska

    Last reviewed

    15 October 2020

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