Eno (ENO) properties, methods of use, side effects,

Enola ( Eno, ) is the trade name of Medicine that helps reduce acidity and relieve indigestion caused by acid in the stomach by Stering Drug (M) Sdn. Bhd . ( Malaysia). And imported by the company GlaxoSmithKline (Thailand) Ltd. (GlaxoSmithKline – gsk)

Eno is a fruit salt prepared in effervescent powder form. (Effervescent powder) was invented in 1850 (BE 2393) by British chemist James Crossley Eno. And later this drug has been marketed in many countries such as India, South Africa, Spain, Brazil, Malaysia and Thailand.

The form of eno

  • Medicine powder packaged in sachets, size 4.3 grams / sachet *
  • The powder is packaged in bottles of 100 and 200 g / bottle.

Note : Eno is available in both orange and lemon flavors. The constituents of Eno per 4.3 g of drug consist of 1.96 g of sodium bicarbonate, citric acid / citric acid anhydrous 1.85 g, sodium carbonate anhydrous. (Sodium carbonate anhydrous) 0.43 g, sodium saccharin / sweetener (Saccharin sodium) 0.003 g.

IMAGE SOURCE: Medthai.com (Eno, orange flavor sachet, size 4.3 g, about 9-12 baht)

IMAGE SOURCE: Medthai.com (Eno, sachet, lemon flavor, size 4.3 g, about 9-12 baht)

IMAGE SOURCE: 24osod.com (100 gram Eno bottles approx. 90-105)

Properties of Eno

  • Used as an antacid Relieve bloating, indigestion, reduce heartburn. Due to the presence of acid in the stomach [1], [2]

Mechanism of action of Eno

The alkaline component of Eno will react with excess acid in the stomach. Thus diluting the effect of stomach acid and making the patient more comfortable in the stomach. As for the mechanism of foaming when dissolving the powder into the water Caused by the mechanism of sodium carbonate and sodium bicarbonate to react with citric acid. Which is going to be carbon dioxide gas (Carbondioxide) comes out to make an interesting bubble. But these bubbles are not effective at all [1].

Before using Eno

When prescribing all kinds of drugs, including eno Here are some things to tell your doctor or pharmacist:

  • History of allergy to any drug, including Eno or any ingredient in this drug, including symptoms of drug allergy such as increased nausea, rash or tightness, trouble breathing / trouble breathing, etc.
  • Having any underlying diseases and prescription or self-administered medications Including dietary supplements, vitamins, and various herbal drugs that are currently or are currently being used. Because Eno may exacerbate the symptoms of the existing disease. Or drug interactions with other drugs and / or pre-ingested supplements, such as with eno drugs that alter gastric acidity. It may affect the absorption of various drugs in the stomach. Therefore should avoid taking the drug Eno along with other drugs.
  • If it’s a lady They should report that they are pregnant or are on a nursing condition. This is because many drugs can pass through the placenta or milk and enter the baby, potentially causing adverse effects on the baby.

Contraindications / precautions for use of Eno

  • Do not use for people with a history of allergic reaction to this drug.
  • Do not use Eno in patients with heart disease. High blood pressure, kidney or liver disease (Eno is a sodium-salt drug that is usually excreted from the body through the kidneys. Therefore, it is contraindicated to patients with abnormal renal function and also to patients with liver disease. Patients with high blood pressure must already limit their intake of sodium salt to help control their blood pressure. Therefore not recommended because eno contains sodium salt)
  • Do not use Eno in patients prescribed by a doctor to limit their intake of salty foods or foods containing sodium salt.
  • Eno should not be taken without dissolving with water. Because in addition to making it less effective, it can also cause effects on the body. Because the powder will draw water from the stomach and intestines to help dissolve the drug. Therefore increased gastric emission abnormally Resulting in the pressure causing the pain to feel colic immediately Which doctors and pharmacists will always alert this matter before dispensing Eno to patients first.
  • Do not manually adjust the dose of this drug. And do not take this drug more than 6 sachets (30 g) per day
  • Do not consume Eno for more than 2 weeks unless your doctor prescribes it. Patients should use this medication as directed by their physician. And you can ask for more information about the use of Eno from pharmacists at nearby pharmacies.
  • Do not share this drug with others and do not use drugs that are expired or worn out, such as powdered drugs that are moist, have a bad smell, or the appearance of the powder has changed in color.
  • The use of Eno in pregnant and lactating women must be on the advice of a doctor.

How to use eno

  • For adults and children aged 12 years and over , take one sachet or 1 teaspoon (4.3 g) of the drug at a time by dissolving the powder into a glass of water (approximately 150 ml) and waiting for the drug to react in water. Finished a moment earlier (After the effervescent foam) * and then drink all the mixed drugs And the drug can be repeated every 2-3 hours as needed. (Do not take more than 30 grams of this drug per day) [1]
  • In children under 12 years of age, there is no clear data on the efficacy and possible side effects of the drug in children at this age. Therefore, it is not suitable for use in children under 12 years of age or may be used under the guidance of a physician [1].
    • Some recommendations state that for children aged 6-11, take 1⁄2 of the dose as an adult. In children aged 2-5, the dose is 1⁄2 the size of the adult dose. [3]

Note : Some information indicates E-no fizz will help expel the wind. Reduce bloating, but if you take the drug without the foam, it will have the effect of reducing stomach acid [2].

Instructions for use of eno

  • Eno can be taken any time you have symptoms. And food does not affect the action of the drug (Most symptoms occur after eating Therefore preferably eaten after meals when symptoms are immediately present)
  • The oral dosage and duration of the drug is just one example. It cannot be used as a substitute for the prescription of your doctor or pharmacist. Proper drug use should always consult a doctor or pharmacist.
  • Avoid taking Eno with other medications (Eno has an alkaline Thus changing the acidity in the stomach Which may affect the absorption of other drugs that can be taken simultaneously), should be taken at least 2 hours away from other drugs.
  • If the drug has been used for a few days, the symptoms have not improved or have worsened. Patients should see a doctor at the hospital to adjust the course of treatment.
  • Consult your doctor if any unusual symptoms occur after taking Eno. Or if there is an allergic reaction to the drug such as swelling, difficulty breathing, wheezing, uncomfortable, must stop taking this drug immediately and see a doctor at the hospital.

How do i store Eno?

  • Eno should be stored at cool room temperature. Without being exposed to temperatures over 30 degrees Celsius, such as in a car near a window Or an area exposed to direct sunlight And do not store the drug in a wet or damp area such as in the bathroom.
  • Keep this medication in the original container it came in, tightly closed, and kept out of the reach of children and pets.
  • Discard any expired or worn medication. (The average shelf life of an unopened container can be found in the details on the product label.)

When forgetting to take Eno

Generally, Eno is used only when symptoms are present. Forgetting to take the medicine is not dangerous. But if you must take the medication on time and forget to take the medicine To take the medicine as soon as possible But if it is close to the next meal You can skip taking the next pill straight away. Without increasing the dose twice or more than usual

Side effects of Eno

  • Like any medicine, Eno can cause side effects or unpleasant symptoms, but not everyone takes it. And taking a normal dose of Eno is rarely found, side effects occur in any way. Except for mild gastrointestinal irritation Which may be caused by wind or bloating But if there are other abnormal symptoms after taking the drug Eno Should consult a doctor or see a doctor immediately.
  • An overdose of Eno can lead to an excess of sodium salt in the blood. This can cause restlessness, weakness, thirst, dizziness, headache, rapid heartbeat. And in some cases, high blood pressure may also be found. If symptoms are found, the patient should be brought to the hospital immediately.


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