The Medical Letter on Drugs and Therapeutics
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Drugs for Allergic Disorders
Allergic rhinitis can be classified as seasonal, perennial, or episodic. It is often associated with allergic conjunctivitis, rhinosinusitis, and asthma.

H1-ANTIHISTAMINES — Oral – Oral second-generation H1-antihistamines are the preferred first-line treatment for relief of the itching, sneezing, and rhinorrhea that characterize mild-to-moderate allergic rhinitis. They are less effective for nasal congestion.
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