1 hr if...: Claritin (loratadine) starts to work in about an hour but it may not work on everyone.
Answered 6/24/2014
4.9k views
1-2 hours: While Claritin (loratadine) is rapidly absorbed, it takes about1.2 hours to reach maximum concentration in the body. If taken with food this can delay it another hour. Therefore, about 1-2 hours.
Answered 6/24/2014
4.9k views
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