Your udgment is the answer
Histamines are chemicals that your body makes up to help get rid of something that’s bothering you. in relation to allergies, histamines help you get rid of by coughing, sneezing, itching, etc.
I mean they are necessary for some people..
Not sure about eating them
C. Keep materials in unlabeled containers
Ice. Use ice to numb the pain and reduce swelling. Wrap the ice in a towel so it doesn’t touch the skin directly.