11.   Medical treatment for chronic sinusitis includes antibiotics, decongestants, antihistamines to control allergy symptoms and nasal steroid sprays.

12.   Nasarel and Nasalide are used to ease allergy symptoms.

13.   The product works by shutting down the cascade of allergy symptoms that patients experience, researchers said.

14.   Their bodies and droppings, which are completely invisible to the naked eye, can trigger allergy symptoms.

15.   Usually, a simple antihistamine can relieve allergy symptoms.

16.   Claritin, Allegra and Zyrtec are antihistamine drugs that control allergy symptoms, such as runny nose, without the drowsiness that often accompanies such medications.

17.   Claritin, Allegra and Zyrtec are antihistamine drugs that improve allergy symptoms without the drowsiness that often accompanies such medications.

18.   The allergy drugs are known as second generation antihistamines because they dry up allergy symptoms without causing drowsiness so common with first generation over-the-counter drugs.

19.   The allergy drugs are known as second-generation antihistamines because they dry up allergy symptoms without causing the drowsiness so common with first-generation over-the-counter drugs.

20.   This late-phase reaction is linked to about half the people with chronic sniffles, asthma and other strong chronic allergy symptoms.