Font Size
A
A
A
1

Medications and Drugs

Brand Names: Bismarex, Bismatrol, Bismatrol Maximum Strength, Kaopectate, Kao-Tin Bismuth Subsalicylate Formula, Maalox Total Stomach Relief, Peptic Relief, Pepto-Bismol, Pepto-Bismol Maximum Strength, Pink Bismuth

Generic Name: bismuth subsalicylate (Pronunciation: BIZ muth sub sa LISS i late)

What is bismuth subsalicylate (Bismarex, Bismatrol, Bismatrol Maximum Strength, Kaopectate, Kao-Tin Bismuth Subsalicylate Formula, Maalox Total Stomach Relief, Peptic Relief, Pepto-Bismol, Pepto-Bismol Maximum Strength, Pink Bismuth)?

Bismuth subsalicylate is an anti-diarrhea medication and antacid.

Bismuth subsalicylate is used to treat diarrhea, nausea, heartburn, indigestion, and upset stomach.

Bismuth subsalicylate may also be used for purposes not listed in this medication guide.

What are the possible side effects of bismuth subsalicylate?

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

Stop taking this medicine and call your doctor at once if you have a serious side effect such as:

  • hearing loss or ringing in your ears;
  • diarrhea lasting longer than 2 days; or
  • worsened stomach symptoms.

Less serious side effects include:

  • constipation;
  • dark colored stools; or
  • black or darkened tongue.

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 is the most important information I should know about bismuth subsalicylate?

This medication should not be given to a child or teenager who has a fever, especially if the child also has flu symptoms or chicken pox. Salicylates can cause a serious and sometimes fatal condition called Reye's syndrome in children.

You should not use bismuth subsalicylate if you have a stomach ulcer, a recent history of stomach or intestinal bleeding, or if you are allergic to salicylates such as aspirin, Doan's Extra Strength, Salflex, Tricosal, and others.

Do not take more than 8 doses in one day (24 hours).

Bismuth subsalicylate can cause you to have a black or darkened tongue. This is a harmless side effect.

This medication can also cause unusual results with certain medical tests, thyroid scans, or stomach x-rays. Tell any doctor who treats you that you have recently taken bismuth subsalicylate.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.






Medical Dictionary