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Excedrin Smells Like Vinegar: What It Means and What You Should Do

The Chemistry of the Odor Acetylsalicylic Acid (Aspirin): The Culprit Do you ever reach for that go-to headache remedy, Excedrin, and suddenly catch a whiff of something…off? Perhaps a slight, vinegary odor tickles your nose? If so, you’re not alone. Many people experience a distinct vinegar smell emanating from their Excedrin tablets, and it’s often … Read more

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