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• Interactions

The following drugs can interact with bismuth subsalicylate. Tell your doctor if you are using any of these:

• a blood thinner such as warfarin (Coumadin);

• insulin or diabetes medications you take by mouth;

• medications to treat gout, such as probenecid (Benemid) or sulfinpyrazone (Anturane);

• medication used to prevent blood clots, such as alteplase (Activase), streptokinase (Kabikinase, Streptase), and urokinase (Abbokinase);

• salicylates such as aspirin, Novasal, Doan's Extra Strength, Salflex, Tricosal, and others; or

• a tetracycline antibiotic, including doxycycline (Adoxa, Doryx, Oracea, Vibramycin), minocycline (Dynacin, Minocin, Solodyn, Vectrin), and others.

This list is not complete and there may be other drugs that can interact with bismuth subsalicylate. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

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 using this medication and call your doctor at once if you have any of these serious side effects:

• 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. Tell your doctor about any unusual or bothersome side effect.