Gaviscon
Gaviscon is a brand of alginate and antacid products that form a foam barrier on stomach contents, reducing reflux into the oesophagus for many people with heartburn after meals. It is often used short term for mild symptoms while awaiting GP review if problems persist.
This medicine is part of the Stomach acid & reflux category.
Generic name: sodium alginate + antacids
Quick answers
Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.
What is it for?
Gaviscon is a brand of alginate and antacid products that form a foam barrier on stomach contents, reducing reflux into the oesophagus for many people with heartburn after meals.
How long does it take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.
What are common side effects?
Mild constipation or diarrhoea, burping, or chalky taste.
Can you take paracetamol or ibuprofen with it?
Ask your GP or pharmacist before taking Gaviscon with paracetamol or ibuprofen. Many adults use paracetamol for short periods when appropriate; NSAIDs such as ibuprofen need extra checks with your other medicines and health conditions.
More about what Gaviscon is used for
Gaviscon is a brand of alginate and antacid products that form a foam barrier on stomach contents, reducing reflux into the oesophagus for many people with heartburn after meals.
It is often used short term for mild symptoms while awaiting GP review if problems persist.
How does Gaviscon work, and how long does it take to work?
Alginate reacts with acid to float as a raft, while antacid components neutralise some acid for quick relief.
It does not heal severe oesophagitis alone in many cases — persistent symptoms need medical assessment.
How and when should you take Gaviscon?
Shake liquids well; chew tablets as the pack directs, often after meals and at bedtime.
Separate from other medicines by a few hours if advised — alginates can affect absorption.
What are the common side effects of Gaviscon?
Mild constipation or diarrhoea, burping, or chalky taste.
Serious side effects of Gaviscon — when to get urgent help
Seek urgent help for swallowing difficulty with weight loss or bleeding symptoms — do not mask these with antacids long term.
What if you miss a dose of Gaviscon?
Use when symptoms occur within maximum daily limits on the pack.
Who should not take Gaviscon?
Very low salt diets, heart failure with strict fluid/salt limits, and some kidney problems may need pharmacist advice due to sodium content in many formulations.
Check ingredient lists if you avoid certain salts.
Can you take paracetamol or ibuprofen with Gaviscon? — other interactions
Can reduce absorption of other drugs if taken together — spacing doses helps.
Gaviscon in pregnancy and breastfeeding
Many formulations are used in pregnancy for reflux after pharmacist or midwife advice — confirm the product you buy is suitable.
Blood tests and monitoring on Gaviscon
If heartburn lasts more than two weeks despite self-care, see your GP.
What might your GP prescribe instead of Gaviscon?
Other alginate brands, PPIs, or H2 blockers may be suggested depending on severity.
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Frequently asked questions about Gaviscon
People also ask — common Google searches
- What is Gaviscon used for?
- Gaviscon is a brand of alginate and antacid products that form a foam barrier on stomach contents, reducing reflux into the oesophagus for many people with heartburn after meals. It is often used short term for mild symptoms while awaiting GP review if problems persist.
- How long does Gaviscon take to work?
- Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
- Can you take Gaviscon with paracetamol or ibuprofen?
- Ask your GP or pharmacist before taking Gaviscon with Paracetamol or Ibuprofen. Many adults use paracetamol for short periods when appropriate; NSAIDs such as ibuprofen need extra checks with your other medicines and health conditions.
- What are the side effects of Gaviscon?
- Mild constipation or diarrhoea, burping, or chalky taste. See the sections below for more detail, including serious side effects and when to seek urgent help.
- Can I take Gaviscon every day?
- Short courses are common; frequent daily need for weeks warrants GP review to check for causes needing different treatment.
- Does Gaviscon contain lots of salt?
- Many products contain sodium; people on salt restriction should ask a pharmacist for a suitable formulation or advice.
Need personalised advice?
Your local pharmacist or GP surgery can help with questions about your medicines, side effects, and alternatives that may be suitable for you.
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