a greater effect on the maintenance of sleep than on sleep initiation was also noted with doxepin when dosed in a range where it is a highly selective H1antagonist. In a study examining the sedating effects associated with daytime dosing of diphenhydramine, a sedating effect seen on the first...
The average dog would get1/4mg per pound; for example, a 16lb dog would get a single 4 mg tablet twice daily. This is one of the few prescription-only antihistamines used in veterinary medicine. Dosing is very similar to Benedryl at 1mg per pound body weight 2-3 times daily. How man...