Because allergen - containing histamines are more prevalent in an animal's skin than nasal cavity, these histamines cause the pet to scratch, which releases more histamines, which cause even more scratching. (norcalvet.com)
Uh... yeah... The good news is there are protocols, diets, and product already developed to help you reduce histamine - rich foods, avoid histamine producing bacteria, and consume more histamine degrading bacteria. (blog.bulletproof.com)