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Bismuth Subgallate

Medically reviewed by Last updated on Aug 14, 2020.


(BIZ muth sub GAL ate)

Dosage Forms

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Tablet Chewable, Oral:

Devrom: 200 mg [banana flavor]

Brand Names: U.S.

  • Devrom [OTC]

Pharmacologic Category

  • Gastrointestinal Agent, Miscellaneous


Adsorbs extra water in large intestine, as well as toxins; forms a protective coat on the intestinal mucosa.


Bismuth is minimally absorbed across the GI tract (Lione 1988)

Use: Labeled Indications

Flatulence and feces deodorizer: Eliminating or reducing odor from flatulence and feces

Dosing: Adult

Flatulence and feces deodorizer: Oral: 1 to 2 capsules or chewable tablets up to 4 times daily (maximum: 8 capsules or chewable tablets per 24 hours).

Dosing: Pediatric

Flatulence and feces deodorizer: Children ≥12 years and Adolescents: Oral: 1 to 2 capsules or chewable tablets up to 4 times daily; maximum daily dose: 8 capsules or chewable tablets/24 hours


Oral: Chewable tablets should be chewed thoroughly.


Store in a cool, dry place.

Drug Interactions

Bismuth Subcitrate: Bismuth-Containing Compounds may enhance the neurotoxic effect of Bismuth Subcitrate. Avoid combination

Adverse Reactions

The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified.

Frequency not defined.

Gastrointestinal: Darkening of stools, melanoglossia


Other warnings/precautions:

• Self-medication (OTC use): A temporary harmless darkening of the stool and/or tongue may occur with use. Bismuth subgallate does not reduce the odor due to faulty personal hygiene.

Patient Education

What is this drug used for?

• It is used to help gas and stools smell better.

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Tongue discoloration

• Stool discoloration

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

Note: This is not a comprehensive list of all side effects. Talk to your doctor if you have questions.

Consumer Information Use and Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a limited summary of general information about the medicine's uses from the patient education leaflet and is not intended to be comprehensive. This limited summary does NOT include all information available about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not intended to provide medical advice, diagnosis or treatment and does not replace information you receive from the healthcare provider. For a more detailed summary of information about the risks and benefits of using this medicine, please speak with your healthcare provider and review the entire patient education leaflet.

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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.