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Antihistamines

How Do Antihistamines Work?

Allergy medications can be taken by mouth or applied to specific areas, such as the eyes or nose.

Lauren Smith, MAAlexandra Schwarz, MD
Written by Lauren Smith, MA | Reviewed by Alexandra Schwarz, MD
Updated on August 30, 2024
Reviewed by Alexandra Schwarz, MD | August 30, 2024

Antihistamines can help treat many symptoms and conditions. They block a chemical called histamines in the body, and may also slow down the activity in the central nervous system. In this video, learn how antihistamines work and what health issues they can treat.

References

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Alexandra Schwarz, MD, is a board-eligible sleep medicine physician and a board-certified family medicine physician. She is a member of both the AASM and the ABFM.

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