Decongestants WisdomCard

Our Guides and Physician Review team have organized the Top 10 Health Resources on Decongestants and compiled helpful research notes below.


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Research Notes on Decongestants


Decongestants relieve the nasal congestion common to colds or allergies. They work by narrowing blood vessels in the nasal membranes, which reduces how much blood flows through the area so that swollen tissue inside the nose shrinks and air can pass through more easily.1 Decongestants are most often used to treat respiratory infections, such as the common cold, flu, sinusitis or allergies. They are especially helpful for people who easily develop middle ear or sinus infections.2

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Research Notes References

  1. FamilyDoctor: Decongestants: OTC Relief for Congestion
  2. 2.0 2.1 University of Iowa Hospitals & Clinics: Decongestants vs. Antihistamines

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