Study Finds “Inactive” Drug Ingredients Not Always Inactive


WWhat’s in the pill you just swallowed?

The label on the bottle lists the active and inactive ingredients in the medication, but new research concludes that some of those “inactive” ingredients are not as inactive. If these additional substances, in everything from ibuprofen to antihistamines and antacids, add color, preservatives or fillers, some of them can also interact with the biological objective of a medicine. That could cause side effects, although the study did not determine if the ingredients do.

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