Bismuth Subsalicylate, Metronidazole, and Tetracycline (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

More common
  • Abdominal pain
  • Bloody or black, tarry stools
  • Diarrhea
  • Nausea
Less common
  • Burning, prickling, or tingling sensations
  • Dizziness
  • Vomiting
Rare
  • Bloody vomit
  • Convulsions (seizures)
  • Fainting
  • Heart attack
  • High blood pressure
  • Irritation of the mouth
  • Irritation of the tongue
  • Joint pain and swelling
  • Pain
  • Sensitivity of skin to sunlight
  • Skin rash
  • Trouble in swallowing
Symptoms of overdose
  • Clumsiness or unsteadiness
  • Confusion
  • Continuing ringing or buzzing in ears
  • Convulsions
  • Diarrhea
  • Fast heartbeat
  • Fast or deep breathing
  • Fever
  • Nausea
  • Pain, numbness, or tingling in arms, legs, hands, or feet
  • Unusual tiredness
  • Vomiting

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare
  • Burning or itching around anus
  • Constipation
  • General feeling of discomfort or illness
  • Loss of appetite
  • Nervousness
  • Trouble in sleeping
  • Unusual tiredness or weakness

In some patients, bismuth subsalicylate in this combination of medicines may cause dark tongue and/or grayish black stools. This is only temporary and will go away when you stop taking bismuth subsalicylate.

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR600035 Portions of this document last updated: Jan. 1, 2012

Source: Drug Information provided by: Micromedex

Copyright © 2012 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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