Thats because the kidney filters out any unused diphenhydramine from the previous dose, and sends it back to the liver
Archived from the original on April 13, 2023
Sexually active, swimming male heteronereids ( n = 40 per population) were transferred into 100-mL glass beakers filled with sterile seawater of the appropriate salinity for their populations (Cardiff 34 ppt, Woods Hole 34 ppt, Salton Sea 56 ppt, Isefjord 22 ppt)
Stable labeled microspheres to measure perfusion: validation of a neutron activation assay technique
Figure 4 In a mouse dry eye model induced by scopolamine hydrobromide, an increase in the level of malondialdehyde (MDA) and downregulation of the protein expressions of SLC7A11 and GPX4 were detected
Comparing two success probabilities