Another natural remedy I'm surprised you didn't mention is Sterimar. I used it all the time when pregnant and breastfeeding. It's just natural seawater so is totally safe. I blogged my own all-natural hayfever survival advice on my blog, if you fancy a read - http://madhousefamilyreviews.blogspot.com/2012/07/my-all-natural-hayfever-survival-kit.html