Can you help us improve NHS Choices?

Take part in our survey to share your views


  • Overview


Information specific to: Eno.

About Eno and how it works

This medicine helps relieves the symptoms and discomfort caused by excess acidity such as indigestion, nausea and flatulence.

This medicine belongs to the class of medicines called antacids. It works by neutralising excess acid which protects the stomach and also helps relieve symptoms of indigestion. It also helps release trapped wind which is expelled during belching or burping.

This medicine is available in the form of a powder which has to be dissolved in water before taking.

Do not take the contents of more than six sachets in 24 hours.

Consult your doctor if your symptoms do not improve, or if they get worse during treatment with this medicine.

Before using Eno

This medicine may not be suitable for everyone and some people must never take it. Check the leaflet that comes with your medicine to make sure that the medicine is suitable before taking it.

Always get advice from a healthcare professional before taking this medicine if:

  • you are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
  • this medicine is for a child under 12 years of age
  • you have kidney problems
  • you have liver problems
  • you are on a salt restricted diet

Medicines interactions

If you are taking more than one medicine they may interact with each other. Before taking this medicine consult your doctor or pharmacist if you are taking or have recently taken any other medicines including vitamins, supplements and herbal or complementary preparations.

The following medicines may interact with this medicine:

  • medicines that are affected by changes in stomach acidity

Possible side effects of Eno

This medicine is not likely to cause any side-effects. If you have side-effects or have any other worrying symptoms while you are taking this medicine, seek medical advice.

Pregnancy and breast-feeding

If you are trying to become pregnant, are pregnant, or are breast-feeding, you should seek medical advice before taking this medicine.

Other important information

Make sure that you read the leaflet that comes with your medicine to check what dose you should take and if there is anything that you need to do if you take more than the recommended dose. If you are in any doubt about whether this medicine is suitable for you, speak to your doctor or pharmacist.

Keep all medicines out of the sight and reach of children.

Content provided by Datapharm

Printable guides available for this medicine: