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Bismatrol Maximum Strength

Generic name: bismuth subsalicylate

Brand names: Bismatrol Maximum Strength, Peptic Relief

Last updated October 28, 2026 0 views
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What is Bismatrol Maximum Strength?

Bismatrol Maximum Strength relieves diarrhea, travelers' diarrhea, nausea, heartburn, indigestion, gas, or upset stomach.

Bismatrol Maximum Strength may also be used for purposes not listed in this medication guide.

How should I take Bismatrol Maximum Strength?

Use exactly as directed on the label, or as prescribed by your doctor.

Shake the oral suspension (liquid). Measure a dose with the supplied measuring device (not a kitchen spoon).

You must chew the chewable tablet before you swallow it.

Drink plenty of liquids while you are taking Bismatrol Maximum Strength.

Taking more than the recommended dose will not make Bismatrol Maximum Strength more effective, and may cause serious side effects.

Call your doctor if you still have diarrhea after 2 days of using this medicine.

This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using Bismatrol Maximum Strength.

Store at room temperature away from moisture and heat. Do not freeze.

Warnings

You should not use Bismatrol Maximum Strength if you have bleeding problems, a stomach ulcer, blood in your stools, or if you are allergic to aspirin or other salicylates.

Using this medicine in a child or teenager with flu symptoms or chickenpox can cause a serious or fatal condition called Reye's syndrome.

Before taking this medicine

You should not use Bismatrol Maximum Strength if you are allergic to it, or if you have:

  • black or bloody stools;
  • stomach ulcer;
  • bleeding problems; or
  • if you are allergic to salicylates such as aspirin, Doan's Extra Strength, Salflex, Tricosal, and others.

Using this medicine in a child or teenager with flu symptoms or chickenpox can cause a serious or fatal condition called Reye's syndrome.

Ask a doctor or pharmacist if this medicine is safe to use if you have or have ever had:

  • mucus in your stools; or
  • if you currently have a fever.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

Do not give this medicine to a child younger than 12 years old without medical advice.

This medicine may contain phenylalanine and could be harmful if you have phenylketonuria (PKU).

Bismatrol Maximum Strength side effects

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Bismatrol Maximum Strength may cause serious side effects. Stop using Bismatrol Maximum Strength and call your doctor at once if you have:

  • changes in behavior with nausea and vomiting;
  • hearing loss or ringing in your ears;
  • diarrhea lasting longer than 2 days; or
  • worsened stomach symptoms.

Bismatrol Maximum Strength may cause you to have a black or darkened tongue. This is a harmless side effect.

Common side effects include:

  • constipation; or
  • dark colored stools.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What happens if I miss a dose?

Bismatrol Maximum Strength is used when needed. If you are on a dosing schedule, skip any missed dose. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Ask a doctor or pharmacist before taking other antacids, diarrhea medicine, or taking medicine that may contain a salicylate (such as aspirin, salsalate, magnesium salicylate, choline salicylate, diflunisal, Ecotrin, Tricosal, Trilisate, and others).

What other drugs will affect Bismatrol Maximum Strength?

Ask a doctor or pharmacist before using Bismatrol Maximum Strength with any other medicines, especially:

  • arthritis medicine;
  • gout medicine;
  • insulin or oral diabetes medications; or
  • a blood thinner--warfarin, Coumadin, Jantoven.

This list is not complete. Other drugs may affect Bismatrol Maximum Strength, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Common questions about Bismatrol Maximum Strength

What causes black hairy tongue?
Black hairy tongue is often caused by an overgrowth of papillae (taste buds) on the tongue. It results in a dark, furry appearance of dead skin cells on the surface of the tongue that can be stained from bacteria, food, or tobacco. Although it may be unpleasant, it doesn't usually require medical treatment and it's temporary and harmless. Continue reading

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
General medicine information Consumer-friendly language Source: Drugs.com

Content is provided for education and is not medical advice. See our medical disclaimer.