Antihistamines are used to treat some allergic symptoms because they neutralize the histamine mediators that cause rapid dilation of blood vessels and contraction of smooth muscles that initiate the symptoms of systemic anaphylaxis.

Question

Quizplus · Accepted Answer

Antihistamines work by blocking the histamine receptors and preventing the histamine mediators from inducing the symptoms of systemic anaphylaxis.

Antihistamines Are Used to Treat Some Allergic Symptoms Because They