Allergy花粉過敏英文是Hay Fever
https://www.pollen.com/
提供很多訊息，輸入Zip Code可以查Top Allergens過敏原。

常見非處方藥為：
Benadryl (Diphenhydramine)
Xyzal (Levocetirizine)
Zyrtec (Cetirizine)
Allergra (Fexofenadine)
GoodSense, Claritin, Alavert (Loratadine)

鼻塞(Nasal Spray)：
Neo-Synephrine (Phenylephrine)
Afrin (Oxymetazoline)
NasalCrom (Cromolyn Sodium)