However, there are many different formulaes ofr anti-histaimine, including first-generation and second-generation types, H1 vs
H2 etc. I am not a medical person so I don't know the difference. I hope to do more research on this in the coming weeks and find out what is best for me.
2) You mentioned Zrytec didn't work for you. How often were you taking it? What was your dosage? I've read that in some case you might need to keep taking it regularly to build up sufficient dosage in your body.