Treating Heartburn – OTC Antacid Heartburn Medications Compared

If you are suffering with acid reflux and looking for swift relief you may be considering the use of antacids, but which one should you choose.  The table below provides you with information about each of the popular antacid tablets on the market so that you can compare them before deciding which one to choose, as they are all slightly different.



ProductSymptomsActive Ingredients per Tablet
Alka-Seltzer: Original and Lemon-LimeAcid indigestion
Upset stomach
Heartburn with headache
Body aches and pains
Aspirin 325 mg
Sodium Bicarbonate 1916 mg
Citric Acid 1000mg
Alka-Seltzer Extra StrengthAcid indigestion
Upset stomach
Heartburn with headache
Body aches and pains
Aspirin 500 mg
Sodium Bicarbonate 1986 mg
Citric Acid 1000mg
Alka-Seltzer: GoldAcid indigestion
Upset stomach
Citric Acid 1000mg,
Potassium Bicarbonate 344 mg
Sodium Bicarbonate 1050 mg
Bisodol Indigestion Relief Tablets (UK)

Bisodol Extra Strong Mint (UK)
Indigestion
Heartburn
Sodium Bicarbonate 64mg
Calcium Carbonate 522mg
Magnesium Carbonate 68mg
Gaviscon Tablets Extra Strength Original FlavorHeartburn
Acid indigestion
Aluminum Hydroxide Gel 160 mg
Magnesium Carbonate 105 mg
Alginic Acid (not specified)
Sodium Bicarbonate (not specified)
Pepto-Bismol Upset Stomach Reliever/Antidiarrheal Chewable Tablets

Pepto-Bismol Caplets

Pepto-Bismol Chewable Tablets Cherry

Pepto-Bismol Upset Stomach Reliever/Antidiarrheal Chewable Tablets Peppermint
Nausea
Heartburn
Indigestion
Upset stomach
Diarrhea
Bismuth Subsalicylate 262 mg
Calcium Carbonate (not specified)
Rennie Fruit (UK)Hyper-acidity
Acid indigestion
Heartburn
Upset stomach
500mg Calcium Carbonate
Rennie Peppermint (UK)

Rennie Spearmint (UK)

Rennie Ice (UK)

Rennie Sugar Free (UK)
Hyper-acidity
Acid indigestion
Heartburn
Upset stomach
Calcium Carbonate 680mg Magnesium Carbonate 80mg
Rennie Dual Action (UK) Hyper-acidity
Acid indigestion
Heartburn
Upset stomach
Forms a protective barrier to stop acid escaping
Calcium Carbonate 625mg, Magnesium Carbonate 73.5mg Alginic Acid 150mg.

Rennie Deflatine (UK) Pressure, bloating and discomfort commonly referred to as gas
Hyper-acidity
Acid indigestion
Heartburn
Upset stomach
Simeticone 25mg,
Calcium Carbonate 680mg Magnesium Carbonate 80mg
Rolaids Multi-symptoms Tablets Cool Mint and Berry (US)Heartburn
Sour stomach
Acid indigestion
Upset stomach
Pressure, bloating and discomfort commonly referred to as gas
Calcium Carbonate 675 mg Magnesium Hydroxide 135 mg Simethicone 60 mg
Extra Strength Rolaids Plus Gas Relief Softchews (US)Heartburn
Sour stomach
Acid indigestion
Upset stomach
Pressure, bloating and discomfort commonly referred to as gas
Calcium Carbonate 1177 mg Simethicone 80 mg
Rolaids Regular – Original Peppermint and Cherry (US)Heartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 550 mg Magnesium Hydroxide 110 mg
Extra Strength Rolaids Regular – Freshmint, Fruit and Tropical Punch (US)Heartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 1177 mg Simethicone 80 mg
Extra Strength Rolaids Softchews – Vanilla Creme and Wild Cherry (US)Heartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 675 mg Magnesium Hydroxide 135 mg
Setlers Antacid Peppermint TabletsAcid indigestion, Heartburn,
Dyspepsia
Nervous indigestion
Calcium Carbonate 1175 mg
Tums E-X 750 Tablets - Assorted Berries,Assorted Tropical Fruit and Wintergreen:

Tums Smoothies Tablets Assorted Fruit

Tums E-X Tablets Sugar Free Orange Cream
Heartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 750 mg
Tums Tablets Regular Strength PeppermintHeartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 500 mg
Tums Ultra 1000 Tablets - Assorted Fruit, Peppermint, Assorted Berries and Assorted Tropical FruitsHeartburn
Sour stomach
Acid indigestion
Upset stomach
Calcium Carbonate 1000 mg

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