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Drug Interactions between Lowsium Plus and Myfortic

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

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Interactions between your drugs

Moderate

magaldrate mycophenolic acid

Applies to: Lowsium Plus (magaldrate / simethicone) and Myfortic (mycophenolic acid)

ADJUST DOSING INTERVAL: Coadministration with antacids may decrease the oral bioavailability of mycophenolic acid. The exact mechanism of interaction is unknown but may involve chelation with polyvalent ions in antacids or enhanced drug solubility induced by an increase in gastric pH, or both. The interaction has been reported with magnesium/aluminum-containing antacids.

MANAGEMENT: Patients treated with oral mycophenolic acid who require an antacid or antacid-containing preparation (e.g., didanosine buffered tablets or pediatric oral solution) should separate the administration times of the medications by at least two hours.

References

  1. "Product Information. CellCept (mycophenolate mofetil)." Roche Laboratories PROD (2001):
  2. Bullingham R, Shah J, Goldblum R, Schiff M "Effects of food and antacid on the pharmacokinetics of single doses of mycophenolate mofetil in rheumatoid arthritis patients." Br J Clin Pharmacol 41 (1996): 513-6
  3. Lipsky JJ "Mycophenolate mofetil." Lancet 348 (1996): 1357-9
  4. "Product Information. Myfortic (mycophenolic acid)." Novartis Pharmaceuticals (2004):
View all 4 references

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Drug and food interactions

Moderate

mycophenolic acid food

Applies to: Myfortic (mycophenolic acid)

ADJUST DOSING INTERVAL: Administration of enteric coated mycophenolic acid with meals may alter its pharmacokinetics relative to administration in the fasting state. When mycophenolic acid 720 mg was administered with a high-fat meal, there was a 33% decrease in the peak plasma concentration (Cmax); a 3.5-hour increase in delay time for the rise of plasma mycophenolic acid; and a 5-hour delay in the time to reach peak plasma concentration (Tmax). However, no effect was observed on the systemic exposure of mycophenolic acid.

MANAGEMENT: To avoid variability in drug absorption between doses, enteric coated formulations of mycophenolic acid should be taken on an empty stomach, one hour before or two hours after food intake. The tablets should be swallowed whole and not crushed, chewed or divided in order to maintain the integrity of the enteric coating.

References

  1. "Product Information. Myfortic (mycophenolic acid)." Novartis Pharmaceuticals (2004):

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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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