How long does antihistamine nasal spray take to work?
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4 min read
According to clinical studies, antihistamine nasal sprays like azelastine can start providing relief from nasal allergy symptoms in as little as 15 to 30 minutes after the first dose. This rapid onset of action makes antihistamine nasal spray a highly effective option for those seeking quick relief from sneezing, itching, and a runny nose.