Foaming at the mouth, Allergies?

[Guest guest]

HI,

My son has seasonal allergies. He has taken Zyrtec with success and we switched

brands, because I think there was a recall on liquid zyrtec (cant keep track at

this point). Before he would make this snorting type noise because he was

snorting mucus. He would never have a dripy noise.

Now he is foaming at the mouth, literally. His mouth fills up with foamy saliva.

I am pretty sure this is because we switched off of the zyrtec. Unless someone

thinks this is something else????/

Jacquie