Compare Tagamet vs. Tums

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Tagamet (cimetidine)

Prescription or OTC

Tums (Calcium carbonate)

Over-the-counter
Treats heartburn.

Tagamet (cimetidine) works well for heartburn, but may have more side effects than other medicines like it.

4.6/ 7 average rating with 632 reviewsforTagamet
Relieves heartburn.

Tums (Calcium carbonate) gives quick relief for heartburn, but does not last all day. Talk to your doctor or pharmacist about other medicines if you need additional relief.

5.2/ 7 average rating with 1373 reviewsforTums
Upsides
  • Lasts longer than other medicines like it so you may not need to take it as frequently.
  • Affordable as an over-the-counter or generic medicine.
  • Tums (Calcium carbonate) is an effective, first-line medication for hearburn.
  • Tums (Calcium carbonate) starts working in seconds.
  • Has minimal side effects.
  • Available in chewable form.
  • Is inexpensive and readily available over-the-counter.
  • Coupons are available – speak to your doctor or pharmacist.
Downsides
  • Does not work as fast as antacids like Maalox, Tums, or Rolaids.
  • May not work as well if you have an inflammed esophagus. Your doctor will assess which medicine is best for you.
  • May not be the best option if you are elderly or have kidney or liver problems.
  • Can interfere with how other medicines work.
  • Because Tums (Calcium carbonate) only lasts for 1 to 2 hours, you may need additional doses.
  • May increase calcium levels too much in people with kidney or thyroid conditions.
  • May have a chalky taste.
Used for
Dosage forms
  • Pill
  • Liquid
  • Chewable tablet
  • Liquid
Price
Lowest price near you
$15.99
Find instant savings
No pricing information available
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at Kroger, Albertsons, Safeway, and other pharmacies.
Reviews
632 
63%
think this treatment is worth it
36%
think this treatment works well
12%
think this treatment is a hassle

Have you used Tagamet (cimetidine)?

Leave a review
1373 
82%
think this treatment is worth it
43%
think this treatment works well
5%
think this treatment is a hassle

Have you used Tums (Calcium carbonate)?

Leave a review
Side effects
The Tagamet (cimetidine) FDA package insert doesn’t have numbers about how common side effects are.
The Tums (Calcium carbonate) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Confusion

    Elderly

    ...and 3 more risk factors

  • Chronic lung problems

    Asthma

    ...and 2 more risk factors

  • Clostridium difficile associated diarrhea

    Taking antibiotics

See more detailed risks and warnings
No information currently available