I had a horrible bout with allergies after I lost my spleen in 1975 and moved to LA. I'd wake up and immediately sneeze 4-6 times in a row. Tried lots of things- avoiding dairy and having my tonsils removed helped, but Pollinosan was like a miracle for me. I was able to taper off and still be cured. Herbal and homeopathic- you never know...
https://www.avogel.co.uk/herbal-remedies/hayfever-tablets-pollinosan/