Taking Aspirin, Tylenol Could Decrease Effectiveness Of H1N1 Vaccine

Although the H1N1 vaccine is generally believed to be safe and effective, researchers from the University of Missouri have uncovered evidence that taking over-the-counter pain relievers, like aspirin and Tylenol, can reduce the effectiveness of the vaccine because they inhibit the normal function enzymes that help regulate the immune system.  The role of these enzymes, called COX enzymes, is not yet understood completely, andmedications that inhibit them may have adverse side effects. Recent research has discovered that drugs that inhibit COX enzymes, such as COX-2, have an impact on the effectiveness of vaccines. This new research indicates that inhibiting COX-1, which is present in tissues read more

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