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Allergic Rhinitis and Oral Decongestant and Antihistamine Combinations

Read more about Oral Decongestant and Antihistamine Combinations.

[Edit] [Revisions] [Writers] Overview

Decongestants and antihistamines complement each other well in allergic rhinitis treatment and are combined in some prescription medicines, including:

  • Fexofenadine and pseudoephedrine (Allegra-D)
  • Acrivastine and pseudoephedrine (Semprex-D)
  • Azatadine and pseudoephedrine (Trinalin)

[Edit] [Revisions] [Writers] Effect of Oral Decongestant and Antihistamine Combinations on Allergic Rhinitis

Decongestants help to narrow the blood vessels, which results in a clearing of nasal congestion. Antihistamines help stop or reduce the production of histamine, a chemical that is released when the immune system reacts to an allergen.

[Revisions] [Writers] Side Effects and Warnings

Possible side effects of the oral decongestant/antihistamine combinations include:

  • Drowsiness
  • Cough
  • Increase in blood pressure
  • Headache
  • Nervousness, difficulty sleeping
  • Nausea
  • Rapid heart rate