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2. Antihistamines

Antihistamines are effective in relieving sneezing, runny nose, and itching, but they are less effective at relieving congestion. The medication works by blocking histamine, a chemical released by your immune system that causes allergy symptoms. Antihistamines are available as pills, eye drops, and nasal sprays. Both over-the-counter and prescription versions are available.

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.