Compare Tagamet vs. Tums

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

Tagamet
(cimetidine)

Tums
(calcium carbonate)

Treats heartburn. Tagamet (cimetidine) works well for heartburn, but may have more side effects than other medicines like it.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.
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
Coupons for Tagamet
Best available price for 60 (400mg) tablets of cimetidine
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.64Tagamet
Reviews for Tagamet
63%
of people (All ages) say Tagamet is worth it
36%
say it works well
12%
say it's a big hassle
632 reviews
Have you used Tagamet (cimetidine)?
Worth itNot sureNot worth it
Reviews for Tums
82%
-19% worse vs. Tagamet
43%
-7% worse vs. Tagamet
5%
-7% worse vs. Tagamet
1373 reviews
Have you used Tums (calcium carbonate)?
Worth itNot sureNot worth it
Side effects
TagametTums
  • Headache 2%
More Tagamet side effects »

We haven’t found good data for Tums side effects.

FDA side effect reports for Tums »
How it works
TagametTums
Tagamet (cimetidine) reduces acid production in your stomach.Tums (Calcium carbonate) is an antacid. It relieves heartburn and indigestion by neutralizing stomach acid.
Type of medication
TagametTums
Prescription or OTCOver-the-counter
Available as
TagametTums
  • Pill
  • Liquid
  • Chewable tablet
  • Liquid
Used for
TagametTums
Risk factors for serious side effects
TagametTums
  • Elderly
  • Kidney problems
  • Liver problems
  • Dementia
  • Asthma
Detailed Tagamet (cimetidine) risks & warnings »
    Coming soon.
    Pregnancy
    Kidneys and liver
    TagametTums
    • Tagamet (cimetidine) can cause confusion if you have kidney or liver problems, dementia, or if you are over 60 years old. Talk to your doctor or pharmacist about alternative medicines if you have any of these conditions.
    • May not be the best option if you are elderly or have kidney or liver problems.
    • May increase calcium levels too much in people with kidney or thyroid conditions.
    Upsides and benefits
    TagametTums
    • 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 and risks
    TagametTums
    • 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.
    Tips from our pharmacists for people taking the medication
    TagametTums
    • Take 30 minutes before eating for maximum heartburn relief.
    • Talk to your doctor if you don't see any improvement after 2 weeks.
    • Talk to your doctor if you end up using this medicine more than 2 times a week.
    • Let your doctor or pharmacist know about any other medicines or supplements that you are taking because Tagamet (cimetidine) can interfere with how a lot of other medicines work.
    • Take at the first sign of discomfort.
    • You may need to separate Tums (Calcium carbonate) from some medicines to avoid interactions. Talk to your doctor or pharmacist about all the medicines you're taking, including prescription, supplements, and over the counter medicines.
    • Eating smaller, more frequent meals can help alleviate some symptoms of heartburn.
    • Certain spicy or fatty foods increase your risk of heartburn. Talk to your doctor or pharmacist to find out which foods you should avoid.
    • Avoiding eating 3 hours before bedtime can also help prevent heartburn.
    • If heartburn doesn't improve or lasts more than 2 weeks, talk to your doctor.
    Learn more
    More about TagametSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Tagamet (cimetidine)?
    Worth itNot sureNot worth it
    More about TumsSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Tums (calcium carbonate)?
    Worth itNot sureNot worth it