I was prescribed it for dd who gets hives that claratyne & Zyrtec don't have any effect on and was shocked to read on the dosage instructions on box/bottle the quantities for night time sedation.
Wow, maybe they realise that there are people out there using it for that kind of thing and the makers felt it was best to put a dosage on so that children aren't overdosed by accident?

Makes me sad that people feel a need to use it that way.