(HealthDay News) -- Though decongestant medications can offer much-needed relief when mucus plugs your nose, the drugs could be harmful to some people.
The American Academy of Family Physicians says you should speak to your doctor before taking a decongestant if you have:
Screening for certain immune cells might help doctors assess reactions to treatment, researchers say
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In some regions, smog and high ragweed pollen levels combine to make it hard to breathe
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Over-the-counter relief is an option, but a prescription may be needed for severe allergies
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