ENO is a popular effervescent antacid containing Sodium Bicarbonate, Citric Acid, and Sodium Carbonate. It is used for the rapid relief of acidity, heartburn, and acid indigestion. When dissolved in water, these ingredients react to form sodium citrate, which acts as a buffering agent to neutralize excess stomach acid. Globally managed by Haleon (formerly GSK Consumer Healthcare), it is a staple in Bangladeshi households for digestive discomfort.
What is ENO Used For?
ENO is specifically formulated for the symptomatic relief of:
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Acidity & Heartburn: Neutralizes the burning sensation in the chest and throat caused by acid reflux.
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Indigestion: Alleviates the “heavy” feeling or discomfort after spicy or large meals.
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Bloating & Flatulence: The effervescent bubbles (carbon dioxide) facilitate eructation (burping), which helps release trapped gas.
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Sour Stomach: Reduces the sour or bitter taste often associated with acid regurgitation.
Key Reminder: ENO is a temporary solution for occasional symptoms. It does not treat the underlying cause of chronic acid reflux (GERD) or stomach ulcers. If you experience symptoms more than twice a week, consult a gastroenterologist. For a deeper look at its chemical profile, you can review Sodium Bicarbonate properties on PubChem.
Dosage
For adults and children aged 12 years and older:
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Standard Dose: Dissolve one 5g sachet (or one level teaspoon) in a glass of water (~150 ml).
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Timing: Drink immediately after the powder dissolves while it is still fizzing.
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Frequency: A second dose may be taken after 2–3 hours if symptoms persist. Do not exceed 2 doses in a 24-hour period.
Common Side Effects
ENO is generally safe when used occasionally, but some users may experience:
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Mild stomach cramps
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Increased flatulence or burping (this is the intended effect for gas relief)
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Irritation of the gut if taken in excessive amounts
Important Warnings & Precautions
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Sodium Content: Not suitable for patients with high blood pressure, kidney disease, or liver impairment without medical advice.
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14-Day Limit: Do not use for more than 14 consecutive days. Chronic use can lead to systemic alkalosis.
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Age Limit: Not recommended for children under 12 years of age unless directed by a doctor.
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Pregnancy: Consult a physician; though generally considered safe for occasional use, the sodium load must be monitored.
ENO vs. Antanil: Key Differences and Usage
While both treat acidity, they differ in their formulation and speed of action.
| Feature | ENO (Effervescent Powder) | Antanil (Aluminium + Magnesium) |
| Active Ingredients | Sodium Bicarbonate + Citric Acid | Aluminium + Magnesium Hydroxide |
| Speed of Action | Extremely Fast (starts in 6 seconds) | Moderate (lasts longer) |
| Primary Benefit | Instant relief from gas & bloating | Prolonged acid neutralization |
| Form | Powder for solution | Chewable tablet or Liquid |
| Unit Price | ৳15.00 | ৳0.65 (Tablet) / ৳45.00 (Suspension) |
ENO Price (January 2026 Update)
Pricing for ENO remains stable in 2026 across major pharmacies and retail outlets.
| Product Name | Format | Unit Price (BDT) | Pack Price (30 Sachets) |
| ENO Regular | 5g Sachet | ৳15.00 | ৳450.00 |
| ENO Lemon | 5g Sachet | ৳15.00 | ৳450.00 |
| ENO Orange | 5g Sachet | ৳15.00 | ৳450.00 |
ENO Alternative Brands & Prices
If you are looking for local alternatives (Sodium Bicarbonate + Citric Acid + Sodium Carbonate) in Bangladesh as of January 2026:
| Brand Name | Company Name | Price per Unit (BDT) |
| Oranza | Incepta Pharmaceuticals | ৳15.00 |
| ENOfiz | Pharmasia Limited | ৳10.00 |
| ENOgut | Euro Pharma Ltd. | ৳10.00 |
| Gastofix | Popular Pharmaceuticals | ৳12.00 |
| Acifree | Square Pharmaceuticals | ৳15.00 |
| QuickRelief | Beximco Pharma | ৳14.00 |
| Digex | Aristopharma Ltd. | ৳12.00 |
| Antafizz | Eskayef (SK+F) | ৳15.00 |
| Z-Acid | Zenith Pharmaceuticals | ৳10.00 |
| GasNo | Radiant Pharmaceuticals | ৳15.00 |
Frequently Asked Questions (FAQ) about ENO
Q: What is the ENO price in Bangladesh?
As of January 2026, a single 5g sachet of ENO costs ৳15.00. A full box of 30 sachets is priced at ৳450.00.
Q: What are the ENO side effects?
Most people experience no side effects other than expected burping. However, over-consumption can lead to gas, gut irritation, or an electrolyte imbalance due to high sodium.
Q: What is ENO used for?
It is primarily used for quick relief from acidity, heartburn, and stomach bloating. The effervescence helps in expelling gas from the stomach.
Q: What is the recommended ENO dose?
For adults, one sachet dissolved in water. You can take a second dose after 2–3 hours, but do not take more than two sachets in a 24-hour period.
Q: Is ENO good for a cough?
No, ENO is an antacid and has no effect on respiratory symptoms like a cough.
Q: What does ENO do?
It acts as a buffer. The ingredients react in water to create a solution that neutralizes stomach acid on contact, raising the pH level of the stomach.
Q: Does ENO make you sleepy?
No, ENO does not contain any sedative ingredients and does not cause drowsiness.
Q: Is ENO high risk?
It is low risk for healthy individuals for occasional use. However, it is high risk for people with kidney disease or high blood pressure due to its high sodium content.
Q: Is ENO safe during pregnancy?
While not generally harmful, the high sodium can contribute to water retention or high blood pressure in pregnancy. Always consult your doctor before use.
Disclaimer: This is educational information only (updated January 2026). Not a substitute for professional medical advice. Always consult a qualified physician before starting/stopping any medication.
