(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:

  • Heart problems or high blood pressure.
  • Glaucoma.
  • Problems with the thyroid.
  • Diabetes.
  • Problems with the prostate.