You Are Designing a New Anti-Histamine Drug for Allergy Relief

Multiple Choice

You are designing a new anti-histamine drug for allergy relief, with greater ability to limit histamine-induced inflammation and therefore reduce symptoms like watery eyes and runny nose. What is important to keep in mind as you design this new molecule?

A) It should readily cross the blood-brain barrier
B) It should be less specific in its ability to bind histamine receptors than first generation anti-histamines
C) It should promote drowsiness
D) none of the above are true