Although Allergies Cannot Be Cured, Treatment Options to Minimize Symptoms

Although allergies cannot be cured, treatment options to minimize symptoms include ____________. (Select all that apply)

A) allergen removal from the patient's environment
B) administering graded allergen doses to shift host antibody production from IgG to IgM
C) administration of corticosteroids to inhibit lymphocyte activity and reduce IgE levels
D) the use of antihistamines or histamine blockers to prevent the intracellular signaling that causes allergy symptoms