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Drug Interactions between aspirin / pravastatin and magnesium salicylate

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

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Interactions between your drugs

Moderate

aspirin magnesium salicylate

Applies to: aspirin / pravastatin and magnesium salicylate

GENERALLY AVOID: Concomitant use of more than one salicylate at a time may increase the potential for gastrointestinal adverse effects (e.g., inflammation, pain, bleeding, ulceration) and bruising or bleeding.

MANAGEMENT: Concomitant use of more than one salicylate at a time should generally be avoided. Patients treated with a salicylate should be advised to take it with food and to immediately report signs and symptoms of GI ulceration and bleeding such as severe abdominal pain, dizziness, lightheadedness, and the appearance of black, tarry stools.

References (2)
  1. (2001) "Product Information. Pepto-Bismol (bismuth subsalicylate)." Procter and Gamble Pharmaceuticals
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

Drug and food interactions

Moderate

aspirin food

Applies to: aspirin / pravastatin

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
Moderate

pravastatin food

Applies to: aspirin / pravastatin

MONITOR: Concomitant use of statin medication with substantial quantities of alcohol may increase the risk of hepatic injury. Transient increases in serum transaminases have been reported with statin use and while these increases generally resolve or improve with continued therapy or a brief interruption in therapy, there have been rare postmarketing reports of fatal and non-fatal hepatic failure in patients taking statins. Patients who consume substantial quantities of alcohol and/or have a history of liver disease may be at increased risk for hepatic injury. Active liver disease or unexplained transaminase elevations are contraindications to statin use.

MANAGEMENT: Patients should be counseled to avoid substantial quantities of alcohol in combination with statin medications and clinicians should be aware of the increased risk for hepatotoxicity in these patients.

References (9)
  1. (2001) "Product Information. Pravachol (pravastatin)." Bristol-Myers Squibb
  2. (2001) "Product Information. Zocor (simvastatin)." Merck & Co., Inc
  3. (2001) "Product Information. Lescol (fluvastatin)." Novartis Pharmaceuticals
  4. (2001) "Product Information. Lipitor (atorvastatin)." Parke-Davis
  5. (2002) "Product Information. Altocor (lovastatin)." Andrx Pharmaceuticals
  6. (2003) "Product Information. Crestor (rosuvastatin)." AstraZeneca Pharma Inc
  7. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  8. Cerner Multum, Inc. "Australian Product Information."
  9. (2010) "Product Information. Livalo (pitavastatin)." Kowa Pharmaceuticals America (formerly ProEthic)
Moderate

magnesium salicylate food

Applies to: 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
Minor

aspirin food

Applies to: aspirin / pravastatin

One study has reported that coadministration of caffeine and aspirin lead to a 25% increase in the rate of appearance and 17% increase in maximum concentration of salicylate in the plasma. A significantly higher area under the plasma concentration time curve of salicylate was also reported when both drugs were administered together. The exact mechanism of this interaction has not been specified. Physicians and patients should be aware that coadministration of aspirin and caffeine may lead to higher salicylate levels faster.

References (1)
  1. Yoovathaworn KC, Sriwatanakul K, Thithapandha A (1986) "Influence of caffeine on aspirin pharmacokinetics." Eur J Drug Metab Pharmacokinet, 11, p. 71-6

Therapeutic duplication warnings

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.

Duplication

Nonsteroidal anti-inflammatories

Therapeutic duplication

The recommended maximum number of medicines in the 'nonsteroidal anti-inflammatories' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'nonsteroidal anti-inflammatories' category:

  • aspirin/pravastatin
  • magnesium salicylate

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

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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