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Bismuth subsalicylate

Generic Name: Bismuth subsalicylate [BIZ-muth-sub-sa-LISS-i-late]
The Brand Names are: Bismarex, Bismatrol, Kaopectate, Kaopectate Diarrhea, Upset Stomach Kola-Pectin, etc. display all 29 brands
Dosage Formats: Oral suspension (1050 mg/10 milliliters; 262 mg/15 mL; 525 mg/15 milliliters; 525 mg/30 mL; and 527 mg/30 mL); provide all three dosage forms.
Drug Class: Antidiarrheals

What is a Bismuth subsalicylate?

Bismuth subsalicylate is used to treat diarrhea, nausea, heartburn, gas, indigestion, or upset stomachs. Bismuth subsalicylate is also used for reasons not mentioned in this guideline for medication.

Adverse effects of Bismuth subsalicylate-related

Contact a medical professional immediately in the event that you exhibit warning signs of an allergic reaction, such as symptoms of hives, breathing difficulties, or swelling of your lips, face, and tongue.

Do not take bismuth subsalicylate, and contact your doctor immediately. If you suffer from:

  • Changes in behavior when the onset of nausea occurs.
  • The loss of hearing or the ringing of your ears. Diarrhea lasted more than two days.
  • more severe stomach symptoms.

Bismuth subsalicylate may cause you to develop tongues that are dark or black. It is a common result.

Common adverse reactions include:

  • Constipation.
  • Dark-colored stool.

This isn't a complete list of all the side effects. Other effects may also be present. Reach out to your doctor in order to gain medical advice regarding any adverse side effects. You can report any side effects to the FDA at 1-800-FDA-1088.


It is not recommended to use this medication if you suffer from bleeding issues such as ulcers in your stomach, bloody stool from stomach ulcers, or have an allergy to aspirin or other salicylates. Don't give this medicine to a teenager or child who has a high fever, flu symptoms, or chickenpox.

Before you take this drug

It is not recommended to take bismuth subsalicylate if you are sensitive to it or if you suffer from:

  • Black or bloody stool.
  • A stomach ulcer.
  • Bleeding issues as well as.
  • If you're sensitive to salicylates like Doan's Extra Strength, aspirin, Salflex Tricosal, and more.

Do not give bismuth, a subsalicylate, to a teenager or child who has a fever, flu symptoms, or chickenpox. Salicylates can trigger Reye's syndrome, which is a serious and often fatal illness for children. Consult a pharmacist or doctor for a recommendation on whether this medication is suitable for use if you are:

  • Mucus in your stool.
  • If you're suffering from a fever.

Consult a physician before using this medicine if you are nursing or pregnant. Don't give the medication to a child who is younger than 12 years of age without medical guidance.

How to take bismuth subsalicylate?

Use only as indicated on the label or as directed by your physician.

Shake up the oral suspension (liquid) prior to using it to take a dosage. Make use of the dosing syringe supplied or use a dosage-measuring device (not an ordinary spoon). It is essential to chew the chewable tablet prior to taking it. Drink plenty of fluids while you take bismuth subsalicylate. Do not exceed 8 doses in a day (24 hours). Contact your doctor if diarrhea persists after 2 days of taking this medication. This medication can alter the outcomes of certain tests. Be sure to inform any doctor treating you that you're taking bismuth subsalicylate. Storage at room temperature, free of heat and moisture. Avoid freezing.

What happens if I miss a dose?

Because bismuth subsalicylate can be employed when required, you might not be on a prescribed schedule. Do not miss any doses in the event that it's nearing the time to take the next dose. Don't take two doses at once. Do not exceed 8 doses daily.

What happens if I overdose?

Get medical attention in an emergency or contact the Poison Help line toll-free at 1-800-222-1222. Overdose symptoms can consist of weakness, anxiety, depression, and feeling angry, as well as problems with balance and coordination, tremors, confusion, or rapid muscle movements.

What should be avoided?

Consult a physician or pharmacist prior to taking any other medications for diarrhea or antacids or taking a medicine that could contain salicylate (such as aspirin or salt, salicylate of magnesium diflunisal, or choline salicylate). Ecotrin, Tricosal, Trilisate, and more).

Interaction with other drugs

Speak with a pharmacist or doctor prior to using bismuth subsalicylate in conjunction with any other medication, in particular:

  • Arthritis medicine.
  • Gout medicine.
  • Insulin, oral diabetes medication.
  • Warfarin, Coumadin, and Jantoven are all blood thinners.

This list isn't complete. Other drugs can interact with bismuth subsalicylate. These include prescription and over-the-counter medicines, vitamins, and herbal products. The interactions of all drugs are listed here.



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