Gaviscon Double Action Sachets 24s

Gaviscon Double Action Sachets are an antacid and alginate-based medication, combining three active ingredients — sodium alginate, sodium bicarbonate, and calcium carbonate — that work together to relieve heartburn and indigestion. If you're reaching for these for the first time, you're probably wondering how the "double action" actually works — the antacids neutralise excess stomach acid, while the alginate forms a protective, floating barrier over your stomach contents to help physically block reflux from reaching your throat. Most people tolerate it well, though very rarely an allergic reaction can occur, and other possible effects include mild digestive changes such as constipation or bloating. It's meant for short-term use, generally taken after meals and at bedtime, and if your symptoms continue beyond 7 days, it's worth checking in with your doctor rather than continuing on your own. Because it contains sodium and calcium, it's worth having a quick chat with your doctor or pharmacist if you have kidney or heart conditions, or are on a restricted salt or calcium diet, before using this regularly.

For adults and adolescents 12 years and over, the typical dose is 1 to 2 sachets after meals and at bedtime, up to four times a day, without exceeding 8 sachets in 24 hours. This product is generally not recommended for children under 12 years except on medical advice, and treatment should not continue for more than 7 days without consulting a doctor.

• Bloating (particularly with very large doses)
• Constipation
• Indigestion that returns after stopping treatment
• Flatulence
• Stomach cramps (uncommon)
• Irritability (uncommon)
• Muscle twitching or cramps (uncommon, generally linked to calcium levels with prolonged high-dose use)
• Elevated blood calcium levels (uncommon, with prolonged high-dose use)
• Allergic reactions such as skin rash, itching, dizziness, or swelling of the face, lips, or throat (very rare)

Store the sachets below 25°C, in their original packaging, and avoid refrigerating or freezing them. Keep out of reach and sight of children.

• Take after meals and at bedtime for best effect
• Avoid taking with large amounts of milk or milk products
• Space other oral medications at least 2 hours apart from this product
• Check the expiry date before use
• Store below 25°C, in the original packaging, and do not refrigerate or freeze
• Keep out of reach and sight of children
• Do not exceed 8 sachets in 24 hours
• Seek medical advice if symptoms persist beyond 7 days of continuous use

Empty the contents of one sachet into your mouth or mix with a small amount of water, then swallow; this is generally taken after meals and at bedtime rather than on an empty stomach. Avoid taking it with large amounts of milk or milk-based products, as this may increase the risk of side effects.

Gaviscon Double Action Sachets generally have a shelf life of around 2 years from the date of manufacture when stored correctly and unopened. Always check the expiry date printed on the sachet and outer carton before use.

• Sodium Alginate – forms a protective raft-like barrier over stomach contents to help block reflux
• Sodium Bicarbonate – a fast-acting antacid that helps neutralise stomach acid
• Calcium Carbonate – an antacid that also strengthens the alginate raft

• Known hypersensitivity to sodium alginate, sodium bicarbonate, calcium carbonate, or any other ingredient in the formulation, including certain preservatives
• Severely impaired kidney function
• Hypercalcaemia (elevated blood calcium levels) or a history of calcium-containing kidney stones
• Caution advised in patients with heart disease or high blood pressure, given the sodium content
• Caution advised in patients with reduced gastric acid, as the product may be less effective
• Not recommended for prolonged, continuous use without medical review

Large doses of Gaviscon Double Action may affect the absorption of other oral medications, so it's generally advised to leave a gap of about 2 hours between taking this product and other medicines, especially tetracyclines, fluoroquinolones, iron supplements, thyroid hormones, and bisphosphonates. It's important to inform your doctor or pharmacist about all other medications you're taking to ensure appropriate timing and effectiveness.

Can I order Gaviscon Double Action Sachets online for delivery to Singapore?
Yes, Singapore customers can purchase Gaviscon Double Action Sachets through our online pharmacy, with orders shipped from our Malaysia-based facility.

Do I need a prescription to buy Gaviscon Double Action Sachets?
No, this product is generally available over the counter, but you're welcome to check the product listing or reach out to our pharmacist team for confirmation.

How long does delivery to Singapore typically take?
Estimated delivery timeframes to Singapore will be shown at checkout based on your address and the shipping option selected.

How can I be sure the product I receive is authentic?
All products sold through our online pharmacy are sourced from authorized suppliers and manufacturers, with each order undergoing quality checks before dispatch.

What pack sizes are available for purchase?
Gaviscon Double Action Sachets are typically available in various pack sizes, ranging from small trial packs to larger 24-count boxes; check the product page for current availability and stock status.

Is it safe to order this product from an online pharmacy instead of buying in-store?
Yes, ordering from a licensed and verified online pharmacy is a safe, convenient way to purchase this product, provided it is stored and shipped under proper conditions.

How should I store the sachets while waiting for delivery or after they arrive?
Keep the sachets below 25°C, in their original packaging, and avoid exposing them to refrigeration or freezing once they arrive.

What payment and order tracking options are available for Singapore customers?
Our online pharmacy supports major payment methods and provides order tracking, so you can follow your purchase from checkout through to delivery in Singapore.

Who can I contact if I have questions about my order before or after purchasing?
Our customer support and pharmacist team are available to assist with questions about ordering, delivery, or general product information.