Fig. 2
From: Cetirizine per os: exposure and antihistamine effect in the dog
Median (range) observed (symbols) and median predicted (lines) plasma cetirizine concentrations in Beagle dogs over time after oral administration of cetirizine (4 mg/kg followed by 2 mg/kg once daily (n = 4) for an additional 2 days (upper plot, a) or 4 mg/kg once daily (n = 4) for 3 days (lower plot, b)