Histamine is an important body chemical that is responsible for the congestion, sneezing, runny nose, and itching that a patient suffers with an allergic attack or an infection. What is the body's purpose in promoting congestion, sneezing, runny nose, and itching? If histamine is an important body chemical, why are antihistamines prescribed to counter them? What are the potential problems in using antihistamine?
Histamine is responsible for the symptoms of allergy as itching , sneezing .... etc , so we use histamine blockers to reduce these symptoms
Why does the body produce histamine? If the body produces it, there must be a good reason. Therefore, blocking it might have negative repercusions. No?