How long do antihistamines take to stop itching? A comprehensive guide
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4 min read
Oral antihistamines typically begin to provide relief from itching within 30 minutes to two hours, with the exact timing depending on the specific medication used. The speed and duration of how long do antihistamines take to stop itching is influenced by whether the medication is a fast-acting first-generation or a long-lasting second-generation type.
