Tums

Tums is an over-the-counter antacid containing calcium carbonate. It works by neutralizing excess stomach acid on contact, providing rapid, temporary relief from heartburn and acid reflux.

Dosage by Body Weight

For adults and children 12 years and older: Chew 2 to 4 tablets as symptoms occur, or as directed by a doctor. Do not exceed the maximum daily dosage indicated on the package, and do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor.

  1. Body Weight
    Below 5 kg
    Dose
    Not recommended
    Frequency
    Use only if prescribed
    Tracking Notes
    Antacids containing calcium carbonate are not recommended for infants in this weight range.
  2. Body Weight
    5-7 kg
    Dose
    Not recommended
    Frequency
    Use only if prescribed
    Tracking Notes
    Consult a pediatrician. Do not administer over-the-counter antacids to infants.
  3. Body Weight
    8-10 kg
    Dose
    Not recommended
    Frequency
    Use only if prescribed
    Tracking Notes
    Consult a pediatrician before administering any antacid products.
  4. Body Weight
    11-15 kg
    Dose
    400 mg (1 Children's Tums tablet)
    Frequency
    As symptoms occur, up to 3 times daily
    Tracking Notes
    For children aged 2-5 years (24-35 lbs) using Children's Tums under pediatric guidance. Do not exceed 3 tablets daily.
  5. Body Weight
    16-20 kg
    Dose
    400 mg (1 Children's Tums tablet)
    Frequency
    As symptoms occur, up to 3 times daily
    Tracking Notes
    For children aged 2-5 years (36-47 lbs) using Children's Tums under pediatric guidance. Do not exceed 3 tablets daily.

Formulation

Chewable Tablet

Purpose

Relief of acid indigestion, heartburn, sour stomach, and upset stomach associated with these symptoms. Also used as a dietary calcium supplement.

Generic Name

Calcium carbonate

Scheduled Drug

No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.

Alternatives

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.