TUMS® Dual Action

Works all day – or all night.*

You've never had TUMS antacid like this before.  It goes to work in seconds and keeps working for hours - all day or all night*.  That's because TUMS Dual Action has proven ingredients to fight your tough heartburn: 800mg of calcium carbonate, plus Famotidine - an effective acid reducer.  And TUMS Dual Action comes in two great tasting flavors.

Find TUMS Dual Action

Flavors and Sizes

  • Assorted Berries TUMS Flavor


    25ct & 50ct bottles

TUMS Freshers for Heartburn Relief

See all that the TUMS® brand has to offer.

Did you know that TUMS comes in 8 varieties? Click the link below and find the one that’ll best help you.

TUMS® Dual Action Product Details

Active Ingredients (in each chewable tablet): Purpose:
  • Famotidine 10mg
  • Calcium carbonate 800mg
  • Magnesium hydroxide 165mg
  • Acid reducer
  • Antacid
  • Antacid
Inactive Ingredients:

aspartame, D&C red no. 7 calcium, dextrates, FD&C blue no. 1 lake, FD&C red no.
40 lake, flavor, glyceryl monostearate, lactose anhydrous, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyacrylate dispersion, 
polysorbate 80, povidone, pregelatinized starch, sodium starch glycolate, talc


Relieves heartburn associated with acid indigestion and sour stomach.

Allergy alert:

Do not use if you are allergic to famotidine or other acid reducers.

Ask a doctor before use if you have:
  • Had heartburn over 3 months. This may be a sign of a more serious condition.
  • Heartburn with lightheadedness, sweating, or dizziness.
  • Chest pain or shoulder pain with shortness of breath; sweating; 
pain spreading to arms, neck or shoulders; or lightheadedness.
  • Frequent chest pain.
  • Frequent wheezing, particularly with heartburn.
  • Unexplained weight loss.
  • Nausea or vomiting.
  • Stomach pain.

Ask a doctor or pharmacist before use if you are taking a prescription drug.
 Antacids may interact with certain prescription drugs.

Stop use and ask a doctor if:
  • Your heartburn continues or worsens.
  • You need to take this product for more than 14 days.
  • If pregnant or breastfeeding, ask a health professional before use.
  • Keep out of reach of children. In case of overdose, get medical help or contact 
a Poison Control Center right away.
  • Adults and children 12 years and over:
  • Do not swallow tablet whole: chew completely.
  • To relieve symptoms, chew 1 tablet before swallowing.
  • Do not use more than 2 chewable tablets in 24 hours.
  • Children under 12 years: Ask a doctor.
Other Information:
  • Each tablet contains: calcium 320mg; magnesium 65mg.
  • Phenylketonurics: Contains Phenylalanine 2.2mg per tablet.
  • Read the directions and warnings before use.
  • Read the bottle label. It contains important information.
  • Store at 20°-25°C (68°-77°F).
  • Protect from moisture.

*Based on 8-hour daytime symptom relief and 12-hour nighttime acid control studies. Acid control does not imply symptom relief.