Drug Interaction Report
3 potential interactions and/or warnings found for the following 2 drugs:
- mefenamic acid
- Mylanta Supreme (calcium carbonate / magnesium hydroxide)
Interactions between your drugs
mefenamic acid magnesium hydroxide
Applies to: mefenamic acid, Mylanta Supreme (calcium carbonate / magnesium hydroxide)
Orally administered magnesium-containing antacids may significantly increase the rate and extent of the absorption of mefenamic acid. No special precautions appear to be necessary.
References (1)
- Neuvonen PJ, Kivisto KT (1988) "Effect of magnesium hydroxide on the absorption of tolfenamic and mefenamic acids." Eur J Clin Pharmacol, 35, p. 495-501
Drug and food interactions
calcium carbonate food
Applies to: Mylanta Supreme (calcium carbonate / magnesium hydroxide)
ADJUST DOSING INTERVAL: Administration with food may increase the absorption of calcium. However, foods high in oxalic acid (spinach or rhubarb), or phytic acid (bran and whole grains) may decrease calcium absorption.
MANAGEMENT: Calcium may be administered with food to increase absorption. Consider withholding calcium administration for at least 2 hours before or after consuming foods high in oxalic acid or phytic acid.
References (6)
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- Canadian Pharmacists Association (2006) e-CPS. http://www.pharmacists.ca/function/Subscriptions/ecps.cfm?link=eCPS_quikLink
- Cerner Multum, Inc. "Australian Product Information."
- Agencia Española de Medicamentos y Productos Sanitarios Healthcare (2008) Centro de información online de medicamentos de la AEMPS - CIMA. https://cima.aemps.es/cima/publico/home.html
- Mangels AR (2014) "Bone nutrients for vegetarians." Am J Clin Nutr, 100, epub
- Davies NT (1979) "Anti-nutrient factors affecting mineral utilization." Proc Nutr Soc, 38, p. 121-8
mefenamic acid food
Applies to: mefenamic acid
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)
- (2002) "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn
Therapeutic duplication warnings
No duplication 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.
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Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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Further information
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