Depends: If you're not on a long-acting antihistamine, i would say switch to one of the 24 hour ones, and take it at bedtime so that it is fully in your system when you wake up the next morning.
Answered 4/20/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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