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Decongestants
Decongestants relieve congestion and are often prescribed along with antihistamines. They come in nasal spray, eye drop, liquid or pill form.
Nasal spray and eye drop decongestants can be used for only a few days, since long-term use can actually make symptoms worse. Pills and liquid decongestants may be taken longer safely.
Some examples of decongestants include:
- Over-the-counter: Sudafed tablets or liquid, Neo-Synephrine and Afrin nasal sprays, and Visine eye drops.
- Prescription: Prescription decongestants include drugs like Claritin-D, Allegra-D and Zytec-D that combine a decongestant with another allergy medicine.
How Do Decongestants Work?
During an allergic reaction, tissues in your nose swell in response to contact with the allergen. That swelling produces fluid and mucous. Blood vessels in the eyes also swell, causing redness. Decongestants shrink swollen nasal tissues and blood vessels to relieve the symptoms of nasal swelling, congestion, mucous secretion and redness.
Source: www. webmd.com