Heartburn & Indigestion

Heartburn & Indigestion


Heartburn and indigestion are among the most common digestive complaints in the UK, affecting millions of people of all ages. Whether you experience occasional discomfort after meals or more persistent acid reflux symptoms, effective over-the-counter and prescription-strength treatments are available. From fast-acting antacids to proton pump inhibitors, there is a wide range of options to suit different needs and lifestyles. If your symptoms are frequent or severe, it is always advisable to speak to a pharmacist or GP for personalised guidance.

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What Are Heartburn and Indigestion?

Heartburn and indigestion are digestive conditions that cause discomfort in the chest, throat, and stomach. Heartburn occurs when stomach acid travels back up into the oesophagus, producing a burning sensation behind the breastbone. Indigestion, also known as dyspepsia, refers to a broader range of symptoms including bloating, nausea, and upper abdominal discomfort. Both conditions are extremely common in the UK and can significantly affect quality of life. Heartburn and indigestion relief UK products are widely available to help manage these everyday symptoms effectively.

Heartburn

Heartburn is caused by acid reflux, where stomach acid rises into the food pipe. It is often felt as a burning feeling in the chest, particularly after eating, bending over, or lying down. It is a very common symptom and is not usually a sign of anything serious.

Indigestion (Dyspepsia)

Indigestion is a term used to describe discomfort or pain in the upper abdomen. It may occur alongside heartburn or independently. Symptoms can include feeling uncomfortably full, bloating, belching, and nausea. It is often triggered by diet, lifestyle habits, or certain medications. For irritable bowel syndrome symptom management, our ibs relief collection includes targeted products to help reduce cramping and bloating.

What Causes Heartburn and Indigestion?

Both heartburn and indigestion can be triggered by a variety of dietary, lifestyle, and medical factors. Understanding your personal triggers is an important step in managing symptoms effectively. Common causes include overeating, consuming certain foods or drinks, and underlying digestive conditions. Below are some of the most frequently reported causes:

  • Fatty, spicy, or acidic foods such as tomatoes, citrus fruits, and fried meals
  • Alcohol and caffeine, which can relax the lower oesophageal sphincter and worsen acid reflux
  • Eating large meals or lying down shortly after eating
  • Being overweight or pregnant, which increases pressure on the stomach
  • Certain medications, including ibuprofen, aspirin, and some antibiotics
  • Stress and anxiety, which can exacerbate digestive discomfort

How Do Heartburn and Indigestion Treatments Work?

There are several types of heartburn and indigestion relief treatments, each working in a different way to reduce or neutralise stomach acid. The right treatment depends on the frequency and severity of your symptoms. Over-the-counter options are suitable for occasional symptoms, while prescription-strength medicines may be recommended for more persistent acid reflux treatment UK patients require.

Antacids

Antacids such as calcium carbonate, magnesium hydroxide, and sodium bicarbonate work by directly neutralising stomach acid. They act quickly — often within minutes — making them ideal for fast, short-term relief of heartburn and indigestion symptoms after meals or at night.

H2 Blockers

Histamine H2 receptor antagonists, such as famotidine and ranitidine alternatives, reduce the amount of acid the stomach produces. They take slightly longer to work than antacids but provide longer-lasting relief, making them useful for preventing symptoms before they occur.

Proton Pump Inhibitors (PPIs)

Proton pump inhibitors such as omeprazole and lansoprazole are among the most effective indigestion tablets available in the UK. They work by blocking the enzyme responsible for acid production in the stomach lining. PPIs are typically used for more frequent or persistent symptoms and are available both over the counter and on prescription.

Alginates

Alginate-based treatments, such as Gaviscon, form a protective barrier or raft on top of stomach contents, helping to prevent acid from rising into the oesophagus. These are particularly effective for heartburn-related symptoms and are safe for use during pregnancy when taken as directed.

Are There Any Side Effects?

Most heartburn and indigestion remedies are well tolerated when used as directed. Antacids may occasionally cause constipation or diarrhoea, depending on their active ingredients. PPIs can cause headaches, nausea, or an upset stomach in some individuals, particularly with long-term use. Always read the patient information leaflet and speak to a pharmacist or GP if you have any concerns about side effects or interactions with other medicines you are taking.

Who Can Use Heartburn and Indigestion Treatments?

Most over-the-counter heartburn remedies are suitable for adults and children over a specified age, which varies by product. Pregnant women should seek pharmacist advice before use, as some treatments are safer than others during pregnancy — alginates such as Gaviscon are generally considered appropriate. Individuals with kidney disease, liver conditions, or those taking regular prescribed medications should consult a GP or pharmacist before starting any new treatment. People experiencing severe, unexplained, or persistent symptoms should seek medical advice promptly.

Tips for Managing Heartburn and Indigestion at Home

Alongside medication, making simple lifestyle changes can help reduce the frequency and severity of symptoms. The following steps are commonly recommended by healthcare professionals and can complement the best heartburn medicine you choose:

  1. Eat smaller, more frequent meals rather than large portions in one sitting
  2. Avoid eating within two to three hours of going to bed
  3. Raise the head of your bed slightly if night-time symptoms are a problem
  4. Cut down on alcohol, caffeine, and carbonated drinks
  5. Maintain a healthy weight, as excess weight puts pressure on the stomach
  6. Avoid wearing tight clothing around the waist and abdomen
  7. Stop smoking, as smoking can worsen acid reflux symptoms considerably

When Should You See a Doctor?

While heartburn and indigestion are usually harmless and manageable with over-the-counter treatments, there are situations where you should seek medical advice promptly. Contact your GP if you experience symptoms that are persistent, worsening, or accompanied by warning signs. These may include unexplained weight loss, difficulty swallowing, vomiting blood, or black and tarry stools. These symptoms can occasionally indicate a more serious underlying condition that requires investigation and should never be ignored.

Why Choose Heartburn and Indigestion Relief from Cured Pharmacy?

At Cured Pharmacy, we stock a comprehensive range of heartburn and indigestion relief UK treatments, including antacids, alginates, H2 blockers, and proton pump inhibitors from trusted brands. Whether you are looking to buy antacids online or need advice on the most appropriate acid reflux treatment, our qualified pharmacy team is here to help. We offer fast UK delivery, easy online purchasing, and access to expert pharmacist guidance — so you can get effective relief quickly and conveniently from a registered UK pharmacy you can trust. If you suffer from acid reflux or heartburn, our acid reflux range includes effective treatments for lasting relief.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

What is the difference between heartburn and indigestion?

Heartburn is a burning sensation in the chest caused by stomach acid rising into the oesophagus. Indigestion, or dyspepsia, refers to broader upper abdominal discomfort including bloating, nausea, and feeling full. The two conditions often occur together but can also happen independently.

Can I buy heartburn and indigestion relief online in the UK without a prescription?

Yes, many heartburn and indigestion relief treatments are available to purchase online without a prescription in the UK. These include antacids, alginates such as Gaviscon, and low-dose proton pump inhibitors like omeprazole 20mg. Always read the product instructions carefully before use.

What are the best over-the-counter indigestion tablets available in the UK?

The best indigestion tablets for you will depend on your symptoms and how often they occur. Popular options include antacids for quick relief, omeprazole for more frequent symptoms, and alginate-based products like Gaviscon for acid reflux. A pharmacist can advise on the most suitable option for your needs.

How quickly do antacids work for heartburn relief?

Antacids typically begin to work within a few minutes of being taken, as they directly neutralise stomach acid. They are ideal for fast, short-term heartburn and indigestion relief but do not address the underlying cause. For longer-lasting relief, an H2 blocker or proton pump inhibitor may be more appropriate.

Are heartburn treatments safe to use during pregnancy?

Some heartburn treatments are considered safe during pregnancy, while others should be avoided. Alginate-based products such as Gaviscon are generally regarded as suitable. Always speak to your pharmacist or midwife before taking any heartburn or indigestion medication during pregnancy to ensure it is appropriate for you.

How long can I take omeprazole for acid reflux?

Over-the-counter omeprazole is usually recommended for short-term use of up to four weeks. If your acid reflux symptoms persist beyond this period, you should consult your GP, who can assess whether longer-term prescription treatment is needed or investigate any underlying causes.

What lifestyle changes can help reduce heartburn and indigestion symptoms?

Simple changes such as eating smaller meals, avoiding fatty or spicy foods, cutting down on alcohol and caffeine, not eating close to bedtime, and maintaining a healthy weight can all help reduce symptoms. These lifestyle adjustments can work well alongside heartburn remedies online or purchased in store.

When should I see a GP about my heartburn or indigestion symptoms?

You should see a GP if your heartburn or indigestion symptoms are persistent, worsening, or accompanied by difficulty swallowing, unexplained weight loss, vomiting blood, or dark stools. These may indicate a more serious condition. Do not ignore these warning signs — seek medical advice promptly.

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Clinical Leads

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Content last updated: 31 Mar 2025

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