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Published on: 9/14/2026

What can I take for heartburn if Tums isn't working?

When Tums (calcium carbonate) no longer controls your heartburn, other options include H2 blockers such as famotidine (Pepcid) for longer-lasting relief, proton pump inhibitors like omeprazole (Prilosec) or esomeprazole (Nexium) for frequent symptoms, and alginate antacids like Gaviscon that form a barrier against reflux. Timing, dosing, drug interactions, and trigger foods all affect whether these work, and there are several important factors to consider before you switch, detailed below. Antacid failure, heartburn more than twice a week, difficulty swallowing, vomiting, unexplained weight loss, or chest pain spreading to the arm or jaw can point to GERD, an ulcer, or a heart issue needing prompt care, so review the complete answer below.

Because persistent heartburn can look identical to conditions that are far more serious, guessing at the next medication can delay the answer you actually need. A free, instant, online symptom check can help you understand what your symptoms may mean and decide whether self-treatment, a pharmacist visit, or a doctor's appointment is the right next step.

Last reviewed for medical accuracy: 09/14/2026

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Explanation

What to Take for Heartburn When Tums Isn’t Cutting It

Heartburn happens when stomach acid splashes up into your esophagus, causing that familiar burning sensation. Tums (calcium carbonate) often provides quick relief by neutralizing stomach acid. But if you find Tums isn’t doing the job, there are other steps and treatments you can try. Below is a complete guide—based on credible sources such as the American College of Gastroenterology and Mayo Clinic—covering over‐the‐counter (OTC) and prescription options, plus lifestyle tips to help manage heartburn.


Why Tums Might Not Be Enough

Tums are fast-acting antacids. They work by neutralizing acid on contact, but they:

  • Don’t stop acid production
  • May wear off in 30–60 minutes
  • Can leave you feeling bloated or gassy

If your heartburn is frequent, severe or lasts more than two weeks, you may need a different approach.


Over-the-Counter Options Beyond Tums

1. Other Antacids

Antacids similar to Tums include:

  • Maalox®, Mylanta® (aluminum hydroxide + magnesium hydroxide): Longer relief but may cause diarrhea or constipation.
  • Gaviscon® (alginate + antacid): Forms a foam barrier that floats on stomach contents, reducing reflux.

Tips for antacids in general:

  • Take after meals and at bedtime.
  • Don’t exceed the label’s recommended dose.
  • Space antacids 2 hours away from other medications to avoid interactions.

2. H2 Blockers (Acid Reducers)

H2 blockers reduce the amount of acid your stomach makes. They take longer to work (30–45 minutes) but provide relief for up to 12 hours.

  • Famotidine (Pepcid®): Commonly available OTC in 10 mg and 20 mg doses.
  • Cimetidine (Tagamet HB®): Also OTC but interacts with many medications.
  • Nizatidine (Axid AR®): Less common, still OTC.

How to use H2 blockers:

  • Take 30–60 minutes before a meal or at the start of symptoms.
  • If once-a-day dosing isn’t enough, talk to your doctor about twice-a-day use.

3. Proton Pump Inhibitors (PPIs)

PPIs are the strongest OTC acid-suppressing drugs. They block the pump that makes stomach acid.

  • Omeprazole (Prilosec OTC®)
  • Lansoprazole (Prevacid 24HR®)
  • Esomeprazole (Nexium 24HR®)

Key points:

  • Best taken 30–60 minutes before breakfast.
  • Full effect may take 1–4 days.
  • Limit OTC use to 14 days in a row without talking to your doctor.

4. Alginates

Alginates (Gaviscon®) combine with antacids to form a protective “raft” that sits on top of stomach contents, reducing reflux. They’re especially helpful if you lie down soon after eating.


When to Try Prescription Options

If OTC treatments aren’t enough, your doctor may prescribe:

  • Higher-dose PPIs: Twice-a-day dosing or stronger formulations.
  • Prokinetics: Medications like metoclopramide that help your stomach empty faster.
  • Baclofen: A muscle relaxant that can reduce reflux episodes in some people.

Prescription therapy should be guided by symptoms, test results (like endoscopy or pH monitoring), and overall health.


Lifestyle and Dietary Strategies

Medication often works best when paired with lifestyle changes:

  1. Eat Smaller Meals

    • Large meals increase stomach pressure.
    • Try 5–6 small meals instead of 3 big ones.
  2. Avoid Trigger Foods

    • Spicy foods, citrus, tomato products
    • Caffeine, chocolate, peppermint
    • Alcohol, fatty or fried foods
  3. Time Your Meals

    • Finish eating at least 2–3 hours before bedtime.
    • Avoid snacking late at night.
  4. Elevate Your Head

    • Raise the head of your bed 6–8 inches or use a wedge pillow.
    • Gravity helps keep acid in your stomach.
  5. Lose Extra Weight

    • Even a small weight loss can reduce reflux.
    • Aim for steady, sustainable changes in diet and activity.
  6. Quit Smoking

    • Smoking weakens the lower esophageal sphincter (LES), letting acid escape.
  7. Wear Loose Clothing

    • Tight belts or waistbands can squeeze your stomach and push acid up.

Monitoring Your Symptoms

Frequent or severe heartburn can sometimes signal a more serious condition (like GERD, peptic ulcer disease or even, rarely, heart problems). If Tums and other OTC remedies aren’t helping, consider:

  • Keeping a symptom diary: Note what you eat, when symptoms start, and how long they last.
  • Checking for “alarm” symptoms:
    • Difficulty swallowing
    • Unexplained weight loss
    • Persistent vomiting
    • Chest pain or pain radiating to the arm/jaw
    • Black, tarry stools

If you have any of these alarming signs, speak to a doctor right away.


Free, Doctor-Approved Symptom Check

Not sure what’s causing your heartburn or if your symptoms might be more serious? You can do a free, online symptom check, using the doctor approved Ubie Symptom Checker, to help you decide on next steps.


When to See a Doctor

Even if your heartburn seems straightforward, you should talk to a healthcare professional if:

  • Symptoms persist more than 2 weeks on OTC therapy.
  • You need OTC medication more than twice a week.
  • You experience any alarm symptoms (see above).
  • You have a family history of gastrointestinal cancers.
  • You’re pregnant—always check with your OB/GYN before starting new medications.

Taking Medications Safely

Whether you’re using Tums, switching to an H2 blocker, or starting a PPI, keep these tips in mind:

  • Read and follow the dosing instructions carefully.
  • Discuss all your medications and supplements with your pharmacist or doctor to avoid interactions.
  • Don’t double up doses if you miss one; follow the label’s advice.
  • Review long-term safety: Chronic PPI use can affect bone density and nutrient absorption.

Summary

If Tums aren’t providing enough relief:

  • Try other antacids (Maalox®, Gaviscon®).
  • Move up to an H2 blocker (famotidine) or a PPI (omeprazole).
  • Pair medication with lifestyle changes—smaller meals, no late-night eating, head elevation.
  • Monitor for alarm signs and keep a symptom diary.
  • Do a free, online symptom check with the Ubie Symptom Checker if you’re uncertain.
  • Speak to a doctor about any serious, persistent or worsening symptoms.

Heartburn can often be managed effectively with the right combination of treatments and habits. But never ignore severe or lasting symptoms—they deserve prompt medical attention.

(References)

  • * Hendrix TR. Antacids. Am Fam Physician. 1974 Mar;9(3):184-6. PMID: 4813464.

  • * Body C, Christie JA. Gastrointestinal Diseases in Pregnancy: Nausea, Vomiting, Hyperemesis Gravidarum, Gastroesophageal Reflux Disease, Constipation, and Diarrhea. Gastroenterol Clin North Am. 2016 Jun;45(2):267-83. doi: 10.1016/j.gtc.2016.02.005. PMID: 27261898.

  • * Leiman DA, Riff BP, Morgan S, Metz DC, Falk GW, French B, Umscheid CA, Lewis JD. Alginate therapy is effective treatment for GERD symptoms: a systematic review and meta-analysis. Dis Esophagus. 2017 May 1;30(5):1-9. doi: 10.1093/dote/dow020. PMID: 28375448; PMCID: PMC6036656.

  • * Gyawali CP, Fass R. Management of Gastroesophageal Reflux Disease. Gastroenterology. 2018 Jan;154(2):302-318. doi: 10.1053/j.gastro.2017.07.049. Epub 2017 Aug 5. PMID: 28827081.

  • * Chen J, Brady P. Gastroesophageal Reflux Disease: Pathophysiology, Diagnosis, and Treatment. Gastroenterol Nurs. 2019 Jan/Feb;42(1):20-28. doi: 10.1097/SGA.0000000000000359. PMID: 30688703.

  • * Fass R, Boeckxstaens GE, El-Serag H, Rosen R, Sifrim D, Vaezi MF. Gastro-oesophageal reflux disease. Nat Rev Dis Primers. 2021 Jul 29;7(1):55. doi: 10.1038/s41572-021-00287-w. Epub 2021 Jul 29. PMID: 34326345.

  • * Yadlapati R, Gyawali CP, Pandolfino JE, CGIT GERD Consensus Conference Participants. AGA Clinical Practice Update on the Personalized Approach to the Evaluation and Management of GERD: Expert Review. Clin Gastroenterol Hepatol. 2022 May;20(5):984-994.e1. doi: 10.1016/j.cgh.2022.01.025. Epub 2022 Feb 2. PMID: 35123084; PMCID: PMC9838103.

  • * Garg V, Narang P, Taneja R. Antacids revisited: review on contemporary facts and relevance for self-management. J Int Med Res. 2022 Mar;50(3):3000605221086457. doi: 10.1177/03000605221086457. PMID: 35343261; PMCID: PMC8966100.

  • * Altuwaijri M. Evidence-based treatment recommendations for gastroesophageal reflux disease during pregnancy: A review. Medicine (Baltimore). 2022 Sep 2;101(35):e30487. doi: 10.1097/MD.0000000000030487. PMID: 36107559; PMCID: PMC9439837.

  • * Ortiz-Olvera N, Ochoa-Maya JP, González-Martínez MA. Gastroesophageal reflux disease and pregnancy: recommendations for safe treatment. Gac Med Mex. 2025;161(2):119-126. doi: 10.24875/GMM.M25000986. PMID: 40743550.

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