Harvard Heart Letter

Don't let decongestants squeeze your heart

As many over-the-counter decongestants get a new ingredient, you might want to look for alternatives. For nasal congestion due to colds and allergies, millions of Americans reach for an over-the-counter decongestant to clear a stuffy nose. Some read the warning label: "Do not use this product if you have heart disease, high blood pressure, thyroid disease, diabetes, or difficulty in urination due to enlargement of the prostate gland unless directed by a doctor." Few…

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