what do anti-histamines do to the body that reduces allergies?

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what do anti-histamines do to the body that reduces allergies?

In: Biology

They don’t really reduce you allergy, per se, so much as they reduce the symptoms by disrupting complex signal pathways that are responsible for those symptoms. Ultimately, allergies are due to an overactive/ineffective immune system and anti-histamines help offset these issues.