不妨试试这个。Costco有买。每天冲洗两次，我的鼻炎治好了。没任何副作用。

https://www.target.com/p/neilmed-sinus-rinse-regular-refill-packets-100ct/-/A-13342398?sid=2088S&ref=tgt_adv_XS000000&AFID=google_pla_df&CPNG=PLA_Health+Beauty+Shopping_Brand_Competitor&adgroup=SC_Health+Beauty&LID=700000001170770pgs&network=g&device=c&location=9032188&gclid=EAIaIQobChMI6LH_9_mZ2AIVkbfsCh3jSwlbEAQYBCABEgIJpfD_BwE&gclsrc=aw.ds