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1: Osteopath Med Prim Care. 2008 Feb 7;2:2.Click here to read Click here to read Links

OTC analgesics and drug interactions: clinical implications.

Fendrick AM, Pan DE, Johnson GE.

Medical Director, Scientific Therapeutics Information, Inc,, 505 Morris Avenue - 3rd Floor, Springfield, NJ 07081 USA. deborahp@stimedinfo.com.

ABSTRACT: The risk of drug interactions with concurrent use of multiple medications is a clinically relevant issue. Many patients are unaware that over-the-counter (OTC) analgesics can cause potentially serious adverse effects when used in combination with other common medications such as anticoagulants, corticosteroids, or antihypertensive agents. Of particular significance is the increased risk of upper abdominal gastrointestinal adverse events in patients who take traditional nonsteroidal anti-inflammatory drugs (NSAIDs). This risk is dose dependent and further increased in patients who take more than one NSAID or use NSAIDs in combination with certain other medications. Some NSAIDs may also mitigate the antiplatelet benefits of aspirin and may increase blood pressure in patients with hypertension. Clinicians should be aware of potential drug interactions with OTC analgesics when prescribing new medications. Additionally, patients should be properly counseled on the appropriate and safe use of OTC analgesics.

PMID: 18257920 [PubMed - in process]

PMCID: PMC2257951

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