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Drug Interactions between MST and probenecid

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

probenecid magnesium salicylate

Applies to: probenecid and MST (magnesium salicylate)

GENERALLY AVOID: Large, anti-inflammatory doses of salicylates may inhibit the uricosuric effect of probenecid. The mechanism of interaction has not been established. In contrast, low, daily antiplatelet doses do not seem to interact. In a study of 11 patients with gouty arthritis receiving a stable dosage of probenecid for at least three months, no significant effects on serum levels or 24-hour urinary excretion of uric acid were observed during coadministration with enteric-coated aspirin 325 mg/day, taken simultaneously with probenecid or 6 hours after.

MANAGEMENT: Large doses of salicylates should be avoided in patients who require probenecid for the treatment of hyperuricemia or gout. However, occasional use of low dosages for analgesia or daily use of cardioprotective dosages should generally not be a concern.

References (4)
  1. Diamond JS, Paolino JS (1973) "Evidence for a postsecretory reabsorptive site for uric acid in man." J Clin Invest, 52, p. 1491-9
  2. Regal RE (1987) "Aspirin and uricosurics: interaction revisited." Drug Intell Clin Pharm, 21, p. 219-20
  3. Harris M, Bryant LR, Danaher P, Alloway J (2000) "Effect of low dose daily aspirin on serum urate levels and urinary excretion in patients receiving probenecid for gouty arthritis." J Rheumatol, 27, p. 2873-6
  4. Cerner Multum, Inc. "UK Summary of Product Characteristics."

Drug and food interactions

Moderate

magnesium salicylate food

Applies to: MST (magnesium salicylate)

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References (1)
  1. (2002) "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

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

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