Never drink Eno if you're less than 12 years old. Eno is not indicated for children under the age of 12. If your child is younger than 12 and experiencing heartburn and indigestion, head to your family doctor and consult them for alternative solutions.

Drink 0.062 gallons (0.23 L) of water daily outside of meals. Some experts believe that heartburn stems from a water shortage, particularly in the upper part of the gastrointestinal tract. Regardless, it's recommended, men drink at least 9 cups (a little over 2L) of fluid each day. Women should drink 9 cups (a little over 2 liters) of fluid each day. [3] X Research source Do not take ENO if you have any of the following conditions: High blood pressure, Liver, heart and kidney problems, On a low-sodium diet, Allergic to any ingredients in ENORemember that Eno doesn't prevent acidity, it just provides relief for it. If your symptoms persist, ask your doctor about ways to prevent acidity for the best results. a b c d W. A. Campbell (June, 1966) James Crossley Eno and the Rise of the Health Salts Trade. University of Newcastle Upon Tyne Medical Gazette 60(3):350 Reprinted as an appendix to W. A. Campbell. The Analytical Chemist In Nineteenth Century English Social History Thesis presented for the degree of Master of Letters in the University of Durham. Newcastle upon Tyne July 1971 Decrease your water intake during mealtime, as excessive amounts of water can dilute your stomach acid while eating. Authority to prescribe an Authority medicine is granted for specific indications and/or for certain patient circumstances. Authority may be obtained by telephone to Medicare Australia (known as "phone approval") or in writing from an authorised delegate of the Minister for Health. Eno – Summary of Product Characteristics at eMC". Electronic Medicines Compendium . Retrieved 2 September 2016. Last updated 1 January 2016

Some drugs may have Authority Required (Streamlined) status which does not require an explicit approval from Medicare, instead the doctor can use the Authority code found in the published Schedule for a given drug/indication.Tedlow, Richard S.; Jones, Geoffrey G. (2014). The Rise and Fall of Mass Marketing (RLE Marketing) Volume 25 of Routledge Library Editions: Marketing. Routledge. pp.110–111. ISBN 9781317663010. a b c Wilkins, Mira (2004). The history of foreign investment in the United States, 1914–1945. Cambridge, Mass: Harvard University Press. ISBN 9780674045187. Please note that not all products available online are available in the stores. The RRP against which any savings comparisons we make to the listed sale