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A 42-year-old member asked:

Can i safely take two 10 mg doses of loratadine in one day?

1 doctor answer3 doctors weighed in
Dr. Luis Matos
Pediatric Allergy and Asthma 46 years experience
It may make u Drowsy: The full adult dose of Loratadine in other parts of the world is 20 mg. This amount caused a 12-14% drowsiness rate. The 10 mg dose was tested in the us in order to find a non-drowsy dose and it worked. If your allergy symptoms are controlled with Diphenhydramine (benadryl-50% drowsiness) and not 10 mg loratadine, you can try a second 10 mg dose and it may help with a lot less drowsiness.

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Last updated Nov 6, 2020


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