How well does Diphenhydramine perform in reducing symptoms of allergic rhinitis, such as nasal congestion and sinus discomfort, compared to other antihistamines?
Sahil KapoorExplorer
How does Diphenhydramine perform in reducing symptoms of allergic rhinitis?
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Diphenhydramine is less effective at reducing nasal congestion compared to newer antihistamines like cetirizine or loratadine, which also have fewer sedative effects.